OpenTechnical

OT-2026-000073726

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073726) never changes.

Identity and time

Publication numberOT-2026-000073726 · never reused
Internal UUID01a0ae93-2b8d-744e-a5f8-c524ef1a07fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073726
StatusPUBLIC

Content hashes

Canonical text98d1e3e49584238ca863ed383b4c9755ea5c4d7c53c19c909a261b2687a6431f
Markdownf93ae9eb2debabaa5994785499d313c0318dd811f0df46b8f2abdb674c8fdca4
PDF
Publication pagea853029bb8db062cad028b561743be528060c2a837bbd3b6f247594e896be306
Manifest2ca210a3098ddc4bb6b3eae5ccc2149288cb7fe79c574dc84ed5f14b42569232

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
Signature+yrInRkiYHXYTYKiCbAD4iLSc2HPcKxRwyv210QvexJ+KLM5uhn5+2C9YuosAJD6kBZQE0tM+mJqr2zMoxHpDw==
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

2026-09-17T10:19:48.121043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073726
observed a853029bb8db062cad028b561743be52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.102715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073726/manifest.json
observed 2ca210a3098ddc4bb6b3eae5ccc21492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.078034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073726/publication.md
observed f93ae9eb2debabaa5994785499d313c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.059976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073726/publication.txt
observed 98d1e3e49584238ca863ed383b4c9755...
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.