OpenTechnical

OT-2026-000003134

Publication integrity record

Explosives disposal robot

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003134) never changes.

Identity and time

Publication numberOT-2026-000003134 · never reused
Internal UUID01a0a691-cde5-7f2e-91b6-ba116ca7a68d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:36:08.421909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003134
StatusPUBLIC

Content hashes

Canonical text633d74b2f2f69cbe9ee8ec08281309e0172f08bfbb5b743f73a2dee893ee3e8f
Markdown7067b03e62e8e74a36e06b9f6027612ffd8d0da7a46c692482b5ce9796f237c8
PDF
Publication paged693d4e140240a5475495fed8626653d9e4effa4ce0c474a5874088619386028
Manifest0ee57e0ed3e999991c9f5dbea4098a830a106915673ad77f8bd83207d9abe476

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePV2jkUHNhluj0PbhIQfZBu4EBrXtrvkxBsGg2HrnI/a/uWr67oh3ukOwMs5ISHqRm5TNiiEr1hMBFqe9w3VuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-15T19:40:04.721213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003134
observed d693d4e140240a5475495fed8626653d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.692451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003134/manifest.json
observed 0ee57e0ed3e999991c9f5dbea4098a83...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:04.678790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003134/publication.txt
observed 633d74b2f2f69cbe9ee8ec08281309e0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent