OpenTechnical

OT-2026-000089002

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000089002) never changes.

Identity and time

Publication numberOT-2026-000089002 · never reused
Internal UUID01a0ae9b-8f12-7a4d-a7b1-321527d7e2ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089002
StatusPUBLIC

Content hashes

Canonical text9938a8b0f1e08f2bb6765e311ec70ccdc50acc8523c6abe7df6ed26be2d0758b
Markdownc36de6f9a2a32f25cb655c6f3b8b0dab26808e528f95c9661def9d3e51a9114c
PDF
Publication page9dda02fd3c8faf520bdb87d8285b8ca95f33018956731f9f7f26a4e0895e5fff
Manifest339079a3ebcaeb673c8feb216fa0a83d7e0a046eb9d4613d2febed9c1212bfd1

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/IGeG/mrMiGrE7ws/LqZ41lo9n3tUy7nJ61Zn9s6oQ62wDA3Ek93RKjGEQcjwdUzQN8+mD7oom8zb7ZqULrGAQ==
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

2026-09-17T09:48:30.272017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089002
observed 9dda02fd3c8faf520bdb87d8285b8ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.254971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089002/manifest.json
observed 339079a3ebcaeb673c8feb216fa0a83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.237027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089002/publication.md
observed c36de6f9a2a32f25cb655c6f3b8b0dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.219541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089002/publication.txt
observed 9938a8b0f1e08f2bb6765e311ec70ccd...
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.