OpenTechnical

OT-2026-000017370

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000017370) never changes.

Identity and time

Publication numberOT-2026-000017370 · never reused
Internal UUID01a0ae6e-76c9-7be6-8044-6315e1f59d2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017370
StatusPUBLIC

Content hashes

Canonical texte19bdad5830f90ebe91b5f7c2ae310c05d41e396a8e79664231032bea95b3d25
Markdown6f11559346905ab1d918709c6d07ce176df42a0f06a5011ee819ec6e8524e3ce
PDF
Publication page9c03e5e5426b151a38687c0b43a8aae61a3fc10fa124fff9d53ba433681598bb
Manifest2276daafbb094ad6eb375d100981f0e5d1abce030193f2a092554010b2bd6b1d

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
Signaturep3Lye6cMiXkbHqrGDsB1+9K+aP0vAGBLNVPYo/izTXWqz1/uPhp0YO7Wp5AYuCX89Af9L3XlghxCeANFLBGeAw==
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

2026-09-17T12:02:29.340805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017370
observed 9c03e5e5426b151a38687c0b43a8aae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.324548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017370/manifest.json
observed 2276daafbb094ad6eb375d100981f0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.307631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017370/publication.md
observed 6f11559346905ab1d918709c6d07ce17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.290160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017370/publication.txt
observed e19bdad5830f90ebe91b5f7c2ae310c0...
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.