OpenTechnical

OT-2026-000041019

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000041019) never changes.

Identity and time

Publication numberOT-2026-000041019 · never reused
Internal UUID01a0ae79-b10e-7048-857f-fcba0c9b16aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041019
StatusPUBLIC

Content hashes

Canonical text7cf44d8d65f3d07f4be97df877c38d6727e9773156b2f5881ab3446cccf25276
Markdownd7340cba8fa98236ceee2d3a7c9221271deadd479b024c0fde50e097b75d4a71
PDF
Publication page12a6ebcea872fd22136fa9c04a0098611cd9a108b300a0e3a2d2e29d1de365da
Manifestdb896cbbeb6521c57efa1b3ced1eb10a002afbe21fb9cc931e777f4c963b46a2

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
Signature6a1hiGoRlx7FAWPWDc0IrWYwK9uS/Pn3eLOHL2yNkE1qo3Dqao3j4CS4mqu958v423vJ78qWD1wn0EDdD5mtAA==
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

2026-09-17T11:16:55.557999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041019
observed 12a6ebcea872fd22136fa9c04a009861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.543214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041019/manifest.json
observed db896cbbeb6521c57efa1b3ced1eb10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.527764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041019/publication.md
observed d7340cba8fa98236ceee2d3a7c922127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:55.512373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041019/publication.txt
observed 7cf44d8d65f3d07f4be97df877c38d67...
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.