OpenTechnical

OT-2026-000097589

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097589) never changes.

Identity and time

Publication numberOT-2026-000097589 · never reused
Internal UUID01a0aea1-92f1-744e-a725-0ba6fc039b66 · 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-2026-000097589
StatusPUBLIC

Content hashes

Canonical text7d71c7e38f5e9badbb6c9b305e9052d0dfa981258200f668cadf1377bc2b5586
Markdown9cce72148512feb73bb9e11bd214f8c674c311c2cba618052ee1a51ecea6fdef
PDF
Publication page2a40db97da2c5b34e6409b3b1bfa4fb6d673f970de4ffd1cfba2399816a2d5f6
Manifest7c769a2fa486721d71a54669ace7cfd111f49fa3c5340a08768d692e60bda14c

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
Signature+TifSdkcFDQaKpKhQW2MP2M4lwg1Smm9dUuWesebPgf6XgZWzsdmtr8Mw/27Hte/tCDSSREpb2VjXyOQd5lPDg==
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

2026-09-17T09:32:30.324986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097589
observed 2a40db97da2c5b34e6409b3b1bfa4fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:30.308573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097589/manifest.json
observed 7c769a2fa486721d71a54669ace7cfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:30.290114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097589/publication.md
observed 9cce72148512feb73bb9e11bd214f8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:30.272085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097589/publication.txt
observed 7d71c7e38f5e9badbb6c9b305e9052d0...
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.