OpenTechnical

OT-2026-000081865

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000081865) never changes.

Identity and time

Publication numberOT-2026-000081865 · never reused
Internal UUID01a0ae97-0f75-74f5-873c-ad8b29ab4654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081865
StatusPUBLIC

Content hashes

Canonical textad91f819e591db8be15f9b35d4f3370cef308bf13854775864d1ab47b8274575
Markdowncd69d05f78ab2136cbe787988e5e0cbb48884c0d414cdd1ec61f32316596f309
PDF
Publication page858faf623344e389f258268c6caccefdd8a9a156073217aacb1451ba6a7cb863
Manifest420e358facf31c12dfd1e51dd6dc023a684517dfab6344f68cd38f4057f2ba41

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
SignatureBODEIXUBptH1u6qj1OItB3pnfcvvtcDblORIwNDDkWb37q8ShQ8xhmVT4n6nZe6dvG7E1OL61p/mmDFN6wTPBg==
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

2026-09-17T10:00:58.907873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081865
observed 858faf623344e389f258268c6caccefd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.891479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081865/manifest.json
observed 420e358facf31c12dfd1e51dd6dc023a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.875121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081865/publication.md
observed cd69d05f78ab2136cbe787988e5e0cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.858510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081865/publication.txt
observed ad91f819e591db8be15f9b35d4f3370c...
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.