OpenTechnical

OT-2026-000097438

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000097438) never changes.

Identity and time

Publication numberOT-2026-000097438 · never reused
Internal UUID01a0aea1-55b3-7218-b432-5090b0412630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097438
StatusPUBLIC

Content hashes

Canonical text7d045b7f354b0f2c3948ea792d1ac0d1ef4d950ba7751b2d111efe36b13f09c6
Markdown1f2ac39d46416096f106ffd163d23dfd52cd4c381d56bf5a07dbfac7f5594506
PDF
Publication page7fe5fe834036f9f9ffd925c7da5b6ec2a7b3c0fae7cc2aa93871f085cf2db770
Manifestcd86312c69028a8d36ac8b6d5d787db4bd90098635d14a20e993f90d25283130

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
Signature7vOu8oT67KD1PuBhDQxRK/yNS6ryXrTa0Cs60lLxKMcgySFkAX7qNjlD5gAatwEmHZOziiaMkI5mmzcwjUAnCg==
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

2026-09-17T09:33:17.852313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097438
observed 7fe5fe834036f9f9ffd925c7da5b6ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.834414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097438/manifest.json
observed cd86312c69028a8d36ac8b6d5d787db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.816306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097438/publication.md
observed 1f2ac39d46416096f106ffd163d23dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.798635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097438/publication.txt
observed 7d045b7f354b0f2c3948ea792d1ac0d1...
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.