OpenTechnical

OT-2026-000074491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000074491) never changes.

Identity and time

Publication numberOT-2026-000074491 · never reused
Internal UUID01a0ae93-717a-7a3f-9745-5127ab855ba1 · 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-2026-000074491
StatusPUBLIC

Content hashes

Canonical text10b02ee5c8db7e07b6176aa819be475412690db7f22486ff5404a374ce50bff4
Markdownce0ac92834f134a82611de7cb34f238528aa117cb029f2969f25a3719c8b5128
PDF
Publication page345b2e11e54b473f6a6069e6c5e6a288ea89474dda5a730585daf4f29304640b
Manifest5920d299289289532f320548f9fdb1dce40e707cfe6294ffde24d90c5699c10b

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
SignatureVBZve4XJzeL2jElR6Lv6nprGtMc41eW5ogSkNtM4DI/lTmyg1Ym5T00RZSOSLKCMV+gBEinI7xGv3ksgLSSGBg==
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

2026-09-17T10:19:27.558367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074491
observed 345b2e11e54b473f6a6069e6c5e6a288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.539016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074491/manifest.json
observed 5920d299289289532f320548f9fdb1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.519367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074491/publication.md
observed ce0ac92834f134a82611de7cb34f2385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.500009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074491/publication.txt
observed 10b02ee5c8db7e07b6176aa819be4754...
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.