---
title: Instituto Hidrográfico — Cartografia, Previsões Marítimas e Dados Oceânicos · as read 11 Nov 2026, 03:09 UTC
summary: Our capture of https://www.hidrografico.pt/ as it was at 11 Nov 2026, 03:09 UTC: the screenshot, the hashes, earlier and later captures, then the link out.
mount: <div id="evidence" data-id="hidrografico-pt/2026/11/11/0309-front" data-base="../../../../../"><p class="meta">The picture needs JavaScript: it is read from the display vault and checked against the hash below. Everything else on this page is here without it.</p></div>
head: <link rel="stylesheet" href="../../../../../app/evidence/evidence.css"><script src="../../../../../app/evidence/vault-reader.js" defer></script><script src="../../../../../app/evidence/evidence.js" defer></script>
---
## The record

> Kept by incident.archivist@web-summit.dinis, 11 Nov 2026, 03:25 UTC

**Evidence** (a page reported by its own publisher, kept as we read it). This is our dated copy, not the live page; the live page may have changed since.

| | |
|---|---|
| Address | `https://www.hidrografico.pt/` |
| Source | hidrografico.pt (unclassified) |
| Read | 11 Nov 2026, 03:09 UTC (`2026-11-11T03:09:47Z`) |
| Answer | HTTP 200 |
| Title | Instituto Hidrográfico — Cartografia, Previsões Marítimas e Dados Oceânicos |
| Against the capture before | the first capture of this address |
| sha256 of the HTML as served | `8eaafa705d1a7ac2040daff27f43f11ff2c58cf758a31ee2ff104b9d5d3c236f` |
| sha256 of the visible text | `630f68ef39b3ad41e79185fb87d11f471fb6018756e76653367fcbf8ad56681f` |
| sha256 of the screenshot | `4b4434361121539d2086cb941a70d995b870b66ba16d3ba79e90a759a6c64b96` |
| Shown here | no: the capture is kept privately; only the hash, title, time and a short excerpt are shown |
| Licence | Not yet classified: the capture is kept privately and only its hash, title and time are shown. |
| Terms | the site's terms page: `https://www.hidrografico.pt/paginas-genericas/paginas-do-antigo-site/informacao-legal1/` (read 2026-11-11T02:15Z by incident.weatherwatch@web-summit.dinis) |
| Robots | robots.txt has no rule for this address; read as `Mozilla/5.0 (compatible; page-capture/1.0)`, not logged in |

**The first words on the page** (a short excerpt): "Saltar para o conteúdo principal IH PRODUTOS E SERVIÇOS RECURSOS ATIVIDADE DADOS INFOTECA CONTACTOS LIGAÇÕES INSTITUTO HIDROGRÁFICO DESTAQUES INFORMAÇÃO AOS NAVEGANTES O Instituto Hidrográfico disponibiliza os Avisos aos Navegantes na sua página do ANAVNET Ler Mais Informação aos…"

## Every capture of this address

| Capture | Read | Answer | Against the one before | Text hash |
|---|---|---|---|---|
| **this one** | 11 Nov 2026, 03:09 UTC | 200 | first | `630f68ef39b3ad41` |

## The outside address

**This link leaves this site.** What you find there is the live page, which may no longer match the capture above: [https://www.hidrografico.pt/](https://www.hidrografico.pt/)

The record as data: [0309-front.json](0309-front.json). All captures: [evidence](../../../../../evidence/README.md).