OpenTechnical

OT-2026-000084277

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084277) never changes.

Identity and time

Publication numberOT-2026-000084277 · never reused
Internal UUID01a0ae98-5b61-7370-bcf7-8130ee9beb51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084277
StatusPUBLIC

Content hashes

Canonical text6cada175f4c4970d550cbe2026ec7f224958d7ab4685b65d475ea8db4b233c74
Markdownd7c0bf51e0a77dbac3c8e55d160e4df000da30ebcd48c0383758385a0ce9d13f
PDF
Publication pageaba1696342853fc97c02b0b39ab900195a37b42cff304e67a8890b6d8cc7249b
Manifest15ef2bed7d7d19cdd83c73de05f0913750e894839025904b8d85353f3bd1de05

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
SignaturepihtqJeHAyNz5EADn0xXI+GtciNsQG2q2BYnGjuH4X+d/kGLZg+DZ5TxuJmTJD6cVkmSXaZIYVTW9zwQvIQADQ==
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

2026-09-17T09:56:11.716997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084277
observed aba1696342853fc97c02b0b39ab90019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.699360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084277/manifest.json
observed 15ef2bed7d7d19cdd83c73de05f09137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.680768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084277/publication.md
observed d7c0bf51e0a77dbac3c8e55d160e4df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.661715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084277/publication.txt
observed 6cada175f4c4970d550cbe2026ec7f22...
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.