OpenTechnical

OT-2026-000065875

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000065875) never changes.

Identity and time

Publication numberOT-2026-000065875 · never reused
Internal UUID01a0ae8e-80d2-7ca6-8aca-4346d871fc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:29.817056Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065875
StatusPUBLIC

Content hashes

Canonical textf47895d3ddfa3fb2d00f79a67bf41f3ad8bb78d21f86292f3f2c6f3d7894194a
Markdown7d17998c814ef5044f057f776926fe2d0b905599315d8e82f5d2b4d5a0aa1322
PDF
Publication pagee19a16a66e21dd23a3a063334bb3c27ec7772d57706971bd96fb48eef0e61413
Manifest521d3c0050db4268cd2df8bc992eff952e0b78467c438009d4bc339db5fd141b

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
Signature149R5gOiOEdt/f0wdOAA1J7uzmEdpEfrmpP7tXQf/rLqjkig91mTJonrblScoJPXHdH6Ra4RZNQtxlPGIvqwAg==
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

2026-09-17T10:33:35.455173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065875
observed e19a16a66e21dd23a3a063334bb3c27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.438761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065875/manifest.json
observed 521d3c0050db4268cd2df8bc992eff95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.421496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065875/publication.md
observed 7d17998c814ef5044f057f776926fe2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:35.403704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065875/publication.txt
observed f47895d3ddfa3fb2d00f79a67bf41f3a...
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.