OpenTechnical

OT-2026-000097409

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000097409) never changes.

Identity and time

Publication numberOT-2026-000097409 · never reused
Internal UUID01a0aea1-55b2-7cc0-9636-a3856a264ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097409
StatusPUBLIC

Content hashes

Canonical textb4055e25b93ac89aeebc3cd1b1782b8d43fee0e1faaf4231c0dbfbefed7adfe3
Markdownfa20ff7485925d636b93e989f8b036589dcc944021cf6a74c6003c9fb72fc584
PDF
Publication page43c41130d6392f2dff96fecffc753d39e7cb0bd58fed8d378ef42068a6085d83
Manifestbce521d3aa1dc40df53549adc386d11433f9309eb426f9690c26d84282b30bdf

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
SignatureksmSkidZq9V782oDO6nd7B9+hhLcrEhgiUiiMT9OIhQ3OQfNZrNZCwCEXZVre5WWFLV4Qj2Ns3CqDXJ07/CvBA==
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

2026-09-17T09:33:15.461465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097409
observed 43c41130d6392f2dff96fecffc753d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:15.441999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097409/manifest.json
observed bce521d3aa1dc40df53549adc386d114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:15.424549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097409/publication.md
observed fa20ff7485925d636b93e989f8b03658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:15.406383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097409/publication.txt
observed b4055e25b93ac89aeebc3cd1b1782b8d...
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.