OpenTechnical

OT-2026-000031435

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000031435) never changes.

Identity and time

Publication numberOT-2026-000031435 · never reused
Internal UUID01a0ae74-87ad-7cf1-a669-17240efb42ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031435
StatusPUBLIC

Content hashes

Canonical text9acc9e9bc40041a309ae7a98f420ddc766e4a5cf765a75b7afaec9bc47d8fc70
Markdown4dc48663ba42e3e6acdd21299fd6986121b995479a134f7d73b0de89636f336c
PDF
Publication page301dc88d4856e430231c54ccb335fee03e0b0f62f73fd9ca08812794cd776364
Manifestfa8a5a597629e256d641fd571119a34822e7a0e905c648201e0b3fe46cc4beda

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
Signature3bB/BoLQOxvM1M2HHy2gWOQ3xP9R5PM3vc1FB+OGd+gCq2TnB6mdfxYVFiEOWgQnX9jsyus1ijW7YuHEkgSGAg==
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

2026-09-17T11:36:09.419266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031435
observed 301dc88d4856e430231c54ccb335fee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.401826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031435/manifest.json
observed fa8a5a597629e256d641fd571119a348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.382864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031435/publication.md
observed 4dc48663ba42e3e6acdd21299fd69861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.362169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031435/publication.txt
observed 9acc9e9bc40041a309ae7a98f420ddc7...
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.