OpenTechnical

OT-2026-000097690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000097690) never changes.

Identity and time

Publication numberOT-2026-000097690 · never reused
Internal UUID01a0aea1-92f4-7c6a-905f-9520057dfe96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097690
StatusPUBLIC

Content hashes

Canonical text9a833c4ea2c6013f5a05c60422489424be4ddba08c4fa96b0c89d2515237cde1
Markdown47beed38f2eff32c4f7726ea30f86b87332175e58a077482be7f5026c7615add
PDF
Publication page0c1738894b969fb4b8bc3fe465b36f1f4c88b27efc3adfb9521584e99ba7aff2
Manifest3c633ebf3947d42878595fd445443464a348f5a87f38165f08e08959e88f2646

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
SignatureZMOgsxssJqnJU/SFfqvtMvdtv3Leh7wIAWcoZuAYI57kgFyIWXmrGCw2ItvtiIC0EWNL0SLc36JWdBMJ6oAOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:42.758136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097690
observed 0c1738894b969fb4b8bc3fe465b36f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.739358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097690/manifest.json
observed 3c633ebf3947d42878595fd445443464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.722695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097690/publication.md
observed 47beed38f2eff32c4f7726ea30f86b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.705158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097690/publication.txt
observed 9a833c4ea2c6013f5a05c60422489424...
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.