OpenTechnical

OT-2026-000091254

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091254) never changes.

Identity and time

Publication numberOT-2026-000091254 · never reused
Internal UUID01a0ae9c-f16c-7c8e-8b19-ebb08feecb42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091254
StatusPUBLIC

Content hashes

Canonical textd031ff2c1e0552d53cf020b355a6af7d3896617d18bbafdb8e63eb373076f3e9
Markdown7474b6f35f6fb6956c0d0cc2f9a40587b19c5a6d92096271fe2415a2ecfdd70e
PDF
Publication pagefe9994c1a3575f4f619903679c316cd0ac18284473526ed6ca08a3d45a4c545d
Manifeste7a5da303cb161c3b1ed1eca1224815a86b8926a787f9e2a01701c49923c2f7b

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
SignatureVGPFb+IM4JYevz20bCkWTF+OUSJL7nAAkwnsy3jHdZMkofRLbsJQdiowvVCrIzKByb+UQO+wCUq8hNWaMQvyDg==
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

2026-09-17T09:43:25.864411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091254
observed fe9994c1a3575f4f619903679c316cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.846664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091254/manifest.json
observed e7a5da303cb161c3b1ed1eca1224815a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.830234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091254/publication.md
observed 7474b6f35f6fb6956c0d0cc2f9a40587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.813735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091254/publication.txt
observed d031ff2c1e0552d53cf020b355a6af7d...
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.