OpenTechnical

OT-2026-000048154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048154) never changes.

Identity and time

Publication numberOT-2026-000048154 · never reused
Internal UUID01a0ae80-4de2-759f-a018-fb5cbb3868b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048154
StatusPUBLIC

Content hashes

Canonical textafb082f81902b46f61e3676107c5b9a7102c05ba3ecf6747446f129a65d4bde6
Markdown5ce7538f4e2b16d6e283929eb550322748c9e4ed24ff3a388b616bd872f4c1af
PDF
Publication page8daf418070e8fba359206e94a10380d8c90da611e25649763490947959c3520e
Manifest7f9d3abf7fa1342d2ec44f445386cb083beac309a704d4cf9258f6668cc3ced0

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
SignatureWv8Y9xCA/J2NfiQ3fesyZ9Dwh16/xt0NjC26AUUDU2pTPOwZtsNsQ7VIF7md31nj/1cErRrsFQwLbMXdMuw3Cw==
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

2026-09-17T11:04:40.861859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048154
observed 8daf418070e8fba359206e94a10380d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.844449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048154/manifest.json
observed 7f9d3abf7fa1342d2ec44f445386cb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.826745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048154/publication.md
observed 5ce7538f4e2b16d6e283929eb5503227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.808961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048154/publication.txt
observed afb082f81902b46f61e3676107c5b9a7...
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.