OpenTechnical

OT-2026-000093856

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000093856) never changes.

Identity and time

Publication numberOT-2026-000093856 · never reused
Internal UUID01a0ae9e-92c7-7e3e-816b-6dc5a3077fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093856
StatusPUBLIC

Content hashes

Canonical text4097625fe6b1cebb696678d32184b6883c8ae41ab8e2f3a215b3dc952459a1d1
Markdown48cb8a2c8ee22b0589a81dadf5108b4681cb7f54604a9e1f873ae361ced47737
PDF
Publication page815e8e149a1d9bb9d3b8703da5c50263ae39195df5b04a1a8d3c6bbdadef32f0
Manifest80d4096093464c411626ecee16127810fdc3a7532a452a6b3ccbb36c323c602f

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
Signature7zHeYooy2mCMLUPWqDIeYrsbXRPKSGDscnFaSgyQkq6Thfcng6XsOTXWp5UhRrRV+amnMv91yhE9eZKLx6wFAA==
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

2026-09-17T09:38:06.837304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093856
observed 815e8e149a1d9bb9d3b8703da5c50263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.820791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093856/manifest.json
observed 80d4096093464c411626ecee16127810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.804094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093856/publication.md
observed 48cb8a2c8ee22b0589a81dadf5108b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:06.787278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093856/publication.txt
observed 4097625fe6b1cebb696678d32184b688...
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.