OpenTechnical

OT-2026-000017506

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017506) never changes.

Identity and time

Publication numberOT-2026-000017506 · never reused
Internal UUID01a0ae6e-76ca-79bd-b01f-fe10a90b13ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017506
StatusPUBLIC

Content hashes

Canonical text3e83e0649b8f1e280d3b82aa2dd4d6c64c79e61cdd4348a7146dd0380fd17d48
Markdown13b958dfae2a1d9bdca40de668e3bf327fcee9008516e5ee51d3daee06c50acb
PDF
Publication page82e65e85c0b1f9257db10ed7560b2838bbdea65f6d0bd77703f0c3289145a8c7
Manifest694e31398151205d420af844765274cb67a6c75cb2914b7494a5a8d20e5766b9

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
SignatureujoN99NlRbpXk//jsMPUEQ6fzKwEds3qCm8za5DUS2V+fin6buw0UzwGL28KOafuo8Ocowcgq8Qk22mIL2JfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:39.689920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017506
observed 82e65e85c0b1f9257db10ed7560b2838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.671721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017506/manifest.json
observed 694e31398151205d420af844765274cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.654191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017506/publication.md
observed 13b958dfae2a1d9bdca40de668e3bf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.636395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017506/publication.txt
observed 3e83e0649b8f1e280d3b82aa2dd4d6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.