OpenTechnical

OT-2026-000065399

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000065399) never changes.

Identity and time

Publication numberOT-2026-000065399 · never reused
Internal UUID01a0ae8e-46f8-7050-a995-ee7148a0c762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065399
StatusPUBLIC

Content hashes

Canonical text1ba70160246bce22457824cab50bce2646fa3de18088f47106acf2e6a576823f
Markdown90ed367de04daa0c874728d6664ceabdcc6fa702a0c6909c5f587dea28de0244
PDF
Publication page28f121766bc44579582ab77c6a179cb51b5a059d97bdbd1437c9b7118bedda1d
Manifest00715f85ffd1f7c234ef080b5247c2312c0d475d4328a4ff747e1fa382c8d720

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
SignatureF+ZfqvW15qy0W7Q1+1POrOrCqbQscBl2VqaaiSjXkcLb7naxrpE70DGpARvqpBHZ87WK/gRC7Lr2Ed7AWuxOCg==
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

2026-09-17T10:33:39.637394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065399
observed 28f121766bc44579582ab77c6a179cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.618804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065399/manifest.json
observed 00715f85ffd1f7c234ef080b5247c231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.600113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065399/publication.md
observed 90ed367de04daa0c874728d6664ceabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.581282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065399/publication.txt
observed 1ba70160246bce22457824cab50bce26...
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.