OpenTechnical

OT-2026-000098642

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000098642) never changes.

Identity and time

Publication numberOT-2026-000098642 · never reused
Internal UUID01a0aea2-42ad-7fb1-be50-54620ffa5894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098642
StatusPUBLIC

Content hashes

Canonical texta5496d0a58942ee212e03f4994da5dc38397a690353c5a05de3aff07e1f94ef9
Markdown885e4d91e786678b84f0d7b7f801b8d6374f8808db27ce605a86776d22d71602
PDF
Publication page2d7e775b13def011a4bbbcf8dd9592389236ccf7f3d4e952cc522c56358feb9b
Manifest2a766b4cb0e02810ee469f99494f7e2fd9f2b81bcf237a4777e7d28e7e4536d1

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
SignatureXpldOnofwp2bs1CDAPvTIuMjVz2DpYxF77pYw3/W1/Ucf038OeC7dphKMFKt5sZKPt7RywavHlv3FM+T9SFXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:56.118504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098642
observed 2d7e775b13def011a4bbbcf8dd959238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.101716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098642/manifest.json
observed 2a766b4cb0e02810ee469f99494f7e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.083641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098642/publication.md
observed 885e4d91e786678b84f0d7b7f801b8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:56.066140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098642/publication.txt
observed a5496d0a58942ee212e03f4994da5dc3...
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.