OpenTechnical

OT-2026-000010555

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, vented after set-down

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-2026-000010555) never changes.

Identity and time

Publication numberOT-2026-000010555 · never reused
Internal UUID01a0ae6c-0ee7-790b-8102-8983fa0ae3d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010555
StatusPUBLIC

Content hashes

Canonical text96a153e4ac474b638aa1f77ac75d11e4748a79021851cb9781b31cff966ae7f9
Markdown2f60f9c325ceeaddd424f23d4e3ba9269b7aa78edad4c8c66c1a0632b1c20490
PDF
Publication page4d952f758293d7a53df9c6559ae7cf22d53ab3af19f105ac9c7ae5cffb3b8a7e
Manifestecbd59ea91394d5722650e8a97f35d4483be3affafd207aae3a3fd3eadf15df3

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
SignatureF0rLJihd4thSSYY51+2CwRdX+xO/I8LOGGdG6HofV5AtZ5mT/YRZhoT3q8kRB8R/dfHffwwoJnXgdEN2VQdDAA==
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

2026-09-17T12:14:43.619785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010555
observed 4d952f758293d7a53df9c6559ae7cf22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.600291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010555/manifest.json
observed ecbd59ea91394d5722650e8a97f35d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.567816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010555/publication.md
observed 2f60f9c325ceeaddd424f23d4e3ba926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.535920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010555/publication.txt
observed 96a153e4ac474b638aa1f77ac75d11e4...
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.