OpenTechnical

OT-2026-000097620

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000097620) never changes.

Identity and time

Publication numberOT-2026-000097620 · never reused
Internal UUID01a0aea1-92f2-7326-9d5b-a34828480588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097620
StatusPUBLIC

Content hashes

Canonical text26e798ddb71fab0fa8355dd307bf8af55b35f00a885ecb3d201ba7815dd52d55
Markdown8c169242fcd420af3d0eb0cdd4248996ba2feb9d93ca81d95bbfeddb85d4a55b
PDF
Publication pagef87a701c59f3e75f958ce6ea44a96759df6a1e484cd8ed6cc96a5d5865e7476a
Manifestbec5261c441fc866f446a83cecf53dbb0e33b7b08f6699c6f6936aafa37bd175

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
SignatureD1DJmH2fGbJhLi0Q+e5442oroWhWffLurrO8xDYh+rs6au/yq9Cb4UYc5SZq0NVl8MZoYgg5FaKWlLGhO5dgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:37.582223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097620
observed f87a701c59f3e75f958ce6ea44a96759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.565803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097620/manifest.json
observed bec5261c441fc866f446a83cecf53dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.548104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097620/publication.md
observed 8c169242fcd420af3d0eb0cdd4248996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.531252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097620/publication.txt
observed 26e798ddb71fab0fa8355dd307bf8af5...
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.