OpenTechnical

OT-2026-000039391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000039391) never changes.

Identity and time

Publication numberOT-2026-000039391 · never reused
Internal UUID01a0ae78-9675-71b5-9e05-6b8a3ca11af2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039391
StatusPUBLIC

Content hashes

Canonical text1692379ff90e2741a268c565dfecc2414f36e3bf12f9eee57a2c3a432d146179
Markdownf4b2493aca65bde7ced07c3d787eae7bd9b3d8613b0d1e58545f93221f94f695
PDF
Publication page9144cc442228aa4a47ec32c95d1ca9fc1284b1c8670b7dfc84c335df4a571569
Manifest9c422ba66849da35b54b596af0eb17954b0c0b3e51be06257f40cb0956ba6ebb

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
Signature46C0SqzKA1XKC7QE0RAl/zblSsfQ71t8qLDqst0ni5YHyz2eqQ52pM4SkgzFe9F3h6o93dhXsWSkGHNTjlCADA==
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

2026-09-17T11:20:59.965175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039391
observed 9144cc442228aa4a47ec32c95d1ca9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.948679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039391/manifest.json
observed 9c422ba66849da35b54b596af0eb1795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.932071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039391/publication.md
observed f4b2493aca65bde7ced07c3d787eae7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.915685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039391/publication.txt
observed 1692379ff90e2741a268c565dfecc241...
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.