OpenTechnical

OT-2026-000076898

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000076898) never changes.

Identity and time

Publication numberOT-2026-000076898 · never reused
Internal UUID01a0ae94-b070-710d-ae12-1ae636eea82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076898
StatusPUBLIC

Content hashes

Canonical textd944d8c6e2c175afc5aa28d177d36eb8533a81115925dd67c6e996f2646d8757
Markdownba09d5f87dd8c972eb432470324a336ec03df3bf7c22155bfe7dd4ebb43c4587
PDF
Publication pagebbe166672204d0f2e40d2a7aa151cea6de973f446fb83fcf45aa0b096d1182db
Manifest2e51cb7e8e64ceb8ef0cac16c0299a0b52d3f059e79a3d5e4392fb499edfa69d

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
SignatureZIvIV0KkHjgccoAuL53UcZHpUaYfocbvGSjGA0l+wTatqL5ZxC2t8vYcjc3kzU05uzYM4byjZZz0d6SuhmaTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:48.358622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076898
observed bbe166672204d0f2e40d2a7aa151cea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.340468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076898/manifest.json
observed 2e51cb7e8e64ceb8ef0cac16c0299a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.323554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076898/publication.md
observed ba09d5f87dd8c972eb432470324a336e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.305943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076898/publication.txt
observed d944d8c6e2c175afc5aa28d177d36eb8...
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.