OpenTechnical

OT-2026-000037177

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000037177) never changes.

Identity and time

Publication numberOT-2026-000037177 · never reused
Internal UUID01a0ae77-7741-7fe1-bf41-dda21431b98c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037177
StatusPUBLIC

Content hashes

Canonical text9991a84ce5343cc7f629d0caceb0cdc72580a51aa788249e369810f84c3e80e4
Markdownb680eb0e8c2f00da982779cc19e20abb25cbe14698f5019056f478c696861219
PDF
Publication page7990e1eb823f170dba5abc0be356f6289eee0c2bdca33111d6c056644c25ddf7
Manifestaa5c6aafdb7742b2b2cac08d175811ef1352bf2f4f362f76be3ce340a809937d

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
SignaturekW7UffPCdtGlJROj8vhykRC6aOnQTd8/Na+bk3hoimkYlr9qSprNNZqFdG7K21/6r1UClELtK/xtYQUFzjwsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:25:01.478774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037177
observed 7990e1eb823f170dba5abc0be356f628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.460663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037177/manifest.json
observed aa5c6aafdb7742b2b2cac08d175811ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.442240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037177/publication.md
observed b680eb0e8c2f00da982779cc19e20abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.422998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037177/publication.txt
observed 9991a84ce5343cc7f629d0caceb0cdc7...
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.