OpenTechnical

OT-2026-000091673

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091673) never changes.

Identity and time

Publication numberOT-2026-000091673 · never reused
Internal UUID01a0ae9d-43b8-7665-bf5b-7d018011555c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091673
StatusPUBLIC

Content hashes

Canonical textf8194a2daf0121dfc0f49bfe3fd947853f47c86d6fcdbfffb6ae25184448047a
Markdowna62d6c449408cd9d56bed34f5d957a650a17d89a5d627d595c00f7ffd5db4fc3
PDF
Publication pageea8535ffc885170bc3b15cdfddb9f319c075c62b5a560d87b290a174479eccf6
Manifestfd94c86685dc0b77c6e878d713c76935176cecf2af733604ba9b705568b032b4

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
Signature0ZnqyZcnATJPAsWgmp1AAkhRefsOiZtf29oWNVs5Apg2R4W0x5ET3D29awZeOU152Es/jC9/xnmT/HmtLThIAA==
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

2026-09-17T09:42:03.205944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091673
observed ea8535ffc885170bc3b15cdfddb9f319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.187728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091673/manifest.json
observed fd94c86685dc0b77c6e878d713c76935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.168826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091673/publication.md
observed a62d6c449408cd9d56bed34f5d957a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.150982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091673/publication.txt
observed f8194a2daf0121dfc0f49bfe3fd94785...
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.