OpenTechnical

OT-2026-000097577

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000097577) never changes.

Identity and time

Publication numberOT-2026-000097577 · never reused
Internal UUID01a0aea1-92f1-78e1-8a29-18ec5aaf6fe7 · 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-2026-000097577
StatusPUBLIC

Content hashes

Canonical texte16373d5b8217fa458ecd1b16445d7c06799948d715947f4c5706dfa641680fb
Markdown9713d7bf814826bd91a20cb6894f5c6047a03598ead056f64648168733c3ce2a
PDF
Publication pagef35f13bda23786d7bbd09558066af775b13637566aef7a0506ccba4bb998beb2
Manifestc2b9d9c7db027f8a12c16d5e9a81b462bdeb7b77c8ede112b8d4cb18cbb72279

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
SignatureaSkFC0uCM4QwSRNirTrh63llNSrQFDBcEdZRJHLxqIedFLpyj1b7cvW2sl2S1SJUYDzyIFQEXvwy9XYEp3vUAg==
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

2026-09-17T09:32:29.445476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097577
observed f35f13bda23786d7bbd09558066af775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.427416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097577/manifest.json
observed c2b9d9c7db027f8a12c16d5e9a81b462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.409383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097577/publication.md
observed 9713d7bf814826bd91a20cb6894f5c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.391879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097577/publication.txt
observed e16373d5b8217fa458ecd1b16445d7c0...
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.