OpenTechnical

OT-2026-000003119

Publication integrity record

Vacuum manipulation device

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-2026-000003119) never changes.

Identity and time

Publication numberOT-2026-000003119 · never reused
Internal UUID01a0a68e-d146-7b70-8341-a000f1ba388d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:32:52.679220Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003119
StatusPUBLIC

Content hashes

Canonical texta5a3e21b110b303677a0040ccb33d8c35e2a9260f9a501dcf5a071e2e0e7ebce
Markdown1ee4aa560568aef99ef60b05f9033681e2486d08ae3d060cd689d45c4cbaaad1
PDF
Publication pagea2a1f5647fd970ce0fb6f0e436d57ed31a15f98bb12ef65a284a87637d328166
Manifestd474323d624e6c3afa907c0ef3c54c758968cbf59a5036c330f9920b17509f85

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
SignatureKpRYy0K+4d0tUy7rkl1fDAJBVG4B/MXVVgdvZZaDtNJRcF0KMkL7GIZ8OWUA2BPCFMIqKa72LO6y4NI0+npoAw==
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

2026-09-15T19:40:06.246344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003119
observed a2a1f5647fd970ce0fb6f0e436d57ed3...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:06.215745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003119/manifest.json
observed d474323d624e6c3afa907c0ef3c54c75...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:06.203112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003119/publication.txt
observed a5a3e21b110b303677a0040ccb33d8c3...
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