OpenTechnical

OT-2026-000074156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000074156) never changes.

Identity and time

Publication numberOT-2026-000074156 · never reused
Internal UUID01a0ae93-7177-75e2-a445-ce498816ca66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074156
StatusPUBLIC

Content hashes

Canonical text20a75d8352d2ad79e2d7688203a99724da5c8f28cc5bde22509d8c252815501a
Markdownf0eed4d1c1d12c765c3ad95582b1bc93ec83ba8d1d48ddfe741d1a7858b92372
PDF
Publication page1dd3e424f2b6da819750f12bb9c6012c04a549b36695b150e582bb5b4ca1ae52
Manifestaad363d83ea21610a191362cc57f8bafa2a2c101d6620ca65daffa268796f63f

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
SignaturewcJKxhoEcijzfZuw45a/gPALD/E8C/FE/shrH2QduhQjHI4E9HhwsnPDffkaOXT/IuPtm1DSNIs89vDb8xArCg==
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

2026-09-17T10:19:00.256040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074156
observed 1dd3e424f2b6da819750f12bb9c6012c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.239343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074156/manifest.json
observed aad363d83ea21610a191362cc57f8baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.222742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074156/publication.md
observed f0eed4d1c1d12c765c3ad95582b1bc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.206633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074156/publication.txt
observed 20a75d8352d2ad79e2d7688203a99724...
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.