OpenTechnical

OT-2026-000092343

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000092343) never changes.

Identity and time

Publication numberOT-2026-000092343 · never reused
Internal UUID01a0ae9d-875b-78f0-859b-4aad8f2d1861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092343
StatusPUBLIC

Content hashes

Canonical text35a06235a134057f57534387cff62f4e195c71e1ce5516602fa465e1a3ea4b0f
Markdownb90b350afdf562ddd781e25f21c1e693764f37c93d0ed036f6e7bfc75f858b6f
PDF
Publication page5d960c3d8bb5f62d93ba0ed8bc2882f44cd2689926fbc0fd3dbce812f632659c
Manifest3abc1323cf4a0b656270afb4c470824a88af919f9282aa97a3c8a24004a40fa5

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
SignaturedGgE0xXsxgBBkB+6TaeZOIeqsnTKIUBrjm80n4a+495CVsiH7n7DgjJwC4Wkkvpy12Eq25+Wra0YJBtnvBE0CA==
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

2026-09-17T09:41:53.552225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092343
observed 5d960c3d8bb5f62d93ba0ed8bc2882f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.536029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092343/manifest.json
observed 3abc1323cf4a0b656270afb4c470824a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.518939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092343/publication.md
observed b90b350afdf562ddd781e25f21c1e693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:53.501654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092343/publication.txt
observed 35a06235a134057f57534387cff62f4e...
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.