OpenTechnical

OT-2026-000074961

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074961) never changes.

Identity and time

Publication numberOT-2026-000074961 · never reused
Internal UUID01a0ae93-ac2d-722f-868a-b61d129a97c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074961
StatusPUBLIC

Content hashes

Canonical textb8ea07cd7cfed1515758b6ce3e6afa17c60a4fe0161fff4b2ad5b87c2986bfb7
Markdownb75ff34320f20ce0ce9e709a56919d924e469015e4ce0857db9a753fdee8e72a
PDF
Publication page8a1e433d1b94d7b4cc0ed2aaeb67d68d9e80c99e93eb122cdfaabcad2be9e77c
Manifestb519cbcf5479fb88cddd7f60746b84dda77823899d61f73464871009f178c6a4

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
SignatureI/Ug47I8Dx7FDW7Tex/csehqGb9OP99MJpBMkhXMUcBKkOUn8GOMXVL+ae5bIBV3PWpOm4S1RqTgxv26RHzPCg==
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

2026-09-17T10:18:45.648890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074961
observed 8a1e433d1b94d7b4cc0ed2aaeb67d68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.631835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074961/manifest.json
observed b519cbcf5479fb88cddd7f60746b84dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.612888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074961/publication.md
observed b75ff34320f20ce0ce9e709a56919d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.594488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074961/publication.txt
observed b8ea07cd7cfed1515758b6ce3e6afa17...
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.