OpenTechnical

OT-2026-000081110

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000081110) never changes.

Identity and time

Publication numberOT-2026-000081110 · never reused
Internal UUID01a0ae96-b977-7c97-b0e8-b2a6abe7fd14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081110
StatusPUBLIC

Content hashes

Canonical text79b47f2c61ebcdec9f6237e19c4db06001b72965b9c8ba3f8dd213fda2135314
Markdownc9141f1315792e8b0dff006291c6469c8623e55fe577c3b4acc2e916ec58e19b
PDF
Publication pagea23cc5c46d4248fbeb0bda69500b555bda60ef21fd165a925dfc2bb1a5c6e665
Manifestdd1376bbf443e6e2239f2b2e7a87796df3f769cad4d9ab479356b5564c3c16c6

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
SignaturefupTVqZzuf9StjiS7td9D2ChWK23dzzB4ThSPbgtP5UZxMm/Vk38p7wltE9RvSTmBboM7oee1gpA4lVkO2IYCg==
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

2026-09-17T10:02:25.095028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081110
observed a23cc5c46d4248fbeb0bda69500b555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.076899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081110/manifest.json
observed dd1376bbf443e6e2239f2b2e7a87796d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.059499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081110/publication.md
observed c9141f1315792e8b0dff006291c6469c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.043044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081110/publication.txt
observed 79b47f2c61ebcdec9f6237e19c4db060...
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.