OpenTechnical

OT-2026-000013619

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013619) never changes.

Identity and time

Publication numberOT-2026-000013619 · never reused
Internal UUID01a0ae6d-8de8-7178-b06b-bea01832cccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013619
StatusPUBLIC

Content hashes

Canonical text2397c6126717142d0721e1e24c2e77c47a6297d0a8768ad213aa9ac25ae09534
Markdowndf3c540160d508303a44abf1da0e15e54dc7464c40c6b66c2609a369fc1ef7ea
PDF
Publication pagedaedde88b1bec953e41a4e22c8ec7a2c3d5bd27c6c006cd32a954d559bd66fd9
Manifest8413a91bad3dc1353adbee91890d414d16b8035dc5a7eda1905bf45e331a26d6

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
SignaturewNhZTPpekGKwnKyVUnEN7scfQz8AjR+Dm7hEHAZQPIh9qSYIBfX394bldPJQSr7X+FTYWra8DVhGS9Y0liemDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:31.910150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619
observed daedde88b1bec953e41a4e22c8ec7a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.891359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/manifest.json
observed 8413a91bad3dc1353adbee91890d414d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.872654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/publication.md
observed df3c540160d508303a44abf1da0e15e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.853966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/publication.txt
observed 2397c6126717142d0721e1e24c2e77c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.942273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619
observed daedde88b1bec953e41a4e22c8ec7a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.922309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/manifest.json
observed 8413a91bad3dc1353adbee91890d414d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.904642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/publication.md
observed df3c540160d508303a44abf1da0e15e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.887468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013619/publication.txt
observed 2397c6126717142d0721e1e24c2e77c4...
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.