OpenTechnical

OT-2026-000076713

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076713) never changes.

Identity and time

Publication numberOT-2026-000076713 · never reused
Internal UUID01a0ae94-b06f-75de-be39-1c920c466683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076713
StatusPUBLIC

Content hashes

Canonical text00516c9178617a9cf49c27abb09bc95b41305d35d4ec34743b0eed94a4d24954
Markdown09432fada7b338e0b76fe811c22b83d705dbf5c0a282796bef684ee197d37eae
PDF
Publication page8f002624da0b2a7455e4fa10c21909c221bf66732e611d89be107f22b9b6581f
Manifest6c7654cb65a92a21200bbd1455b884724a078632d774eacfa9a023752846993a

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
SignatureCPcK11Zkd8QiKY+TKKQhtW9ewmM+6xtvP32zWJquxX9iA0gyPaSiSkC7/FWj0UF8k3bOTKcPXAEhYDb0x944Dg==
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

2026-09-17T10:09:28.872780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076713
observed 8f002624da0b2a7455e4fa10c21909c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.855177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076713/manifest.json
observed 6c7654cb65a92a21200bbd1455b88472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.836780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076713/publication.md
observed 09432fada7b338e0b76fe811c22b83d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.818181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076713/publication.txt
observed 00516c9178617a9cf49c27abb09bc95b...
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.