OpenTechnical

OT-2026-000007913

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, vented 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-2026-000007913) never changes.

Identity and time

Publication numberOT-2026-000007913 · never reused
Internal UUID01a0ae6a-908a-791a-9dad-469842e5710b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007913
StatusPUBLIC

Content hashes

Canonical text6abaffd1c1ab3cbca7ef7890152e5d6976c2750f6010dddb85859afb8e28de9b
Markdownf3ec21bce86ee365a9f3fb0e29f8c284724fe233959fab7f4e5c3e142f218df2
PDF
Publication page71b8b83066ba0a242fae8793b5937260e573771271f3651f01bc5460cb2cbf76
Manifestb9873078f44c2e4a6ab24f75d958d8fcccfb10849864a77aaa51db1960fad2cb

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
Signature4kjh6c10EKlB32f8r/XckWxwlC58EdRJng8+dcFBbreBEWhxuSQ7YpEn3RaEq8GFY+lX4sIJjtyPeZvDYOXMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:23.127305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913
observed 71b8b83066ba0a242fae8793b5937260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.108993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/manifest.json
observed b9873078f44c2e4a6ab24f75d958d8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.090252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/publication.md
observed f3ec21bce86ee365a9f3fb0e29f8c284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.070856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/publication.txt
observed 6abaffd1c1ab3cbca7ef7890152e5d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.807786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913
observed 71b8b83066ba0a242fae8793b5937260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.786990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/manifest.json
observed b9873078f44c2e4a6ab24f75d958d8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.765181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/publication.md
observed f3ec21bce86ee365a9f3fb0e29f8c284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.740039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007913/publication.txt
observed 6abaffd1c1ab3cbca7ef7890152e5d69...
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.