OpenTechnical

OT-2026-000025968

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000025968) never changes.

Identity and time

Publication numberOT-2026-000025968 · never reused
Internal UUID01a0ae71-a83f-7030-a770-d65ad4e0cb8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025968
StatusPUBLIC

Content hashes

Canonical text62b286222e51c4ca1bd1e32b6d783bb57b83442e3a974dfa182fa9d71c8ca9db
Markdown4cf924ca583500874faceb7577ceeb9c6a1401eb4fb07672ecbfdb9fee986d95
PDF
Publication page4e7f73e8bd3a85223d6a8229ccfbc9cf7fcd9c0e6e5eb4bc0475a8753d79fc47
Manifest70d7281c04b4cefe2bfe9b9b210f0a8ef99f65ed050b0c5dbd3fe15695eb4c8d

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
SignaturevyKn1fWcG6rXK8dBGXE0PkcXvwVCs4snadx5c5cVbBoISPwsyqR8bHd5L3myTO4Bvz0ThjoJyCZVjU6A9rplBQ==
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

2026-09-17T11:46:20.197379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025968
observed 4e7f73e8bd3a85223d6a8229ccfbc9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.179728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025968/manifest.json
observed 70d7281c04b4cefe2bfe9b9b210f0a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.161899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025968/publication.md
observed 4cf924ca583500874faceb7577ceeb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.144571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025968/publication.txt
observed 62b286222e51c4ca1bd1e32b6d783bb5...
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.