OpenTechnical

OT-2026-000012996

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012996) never changes.

Identity and time

Publication numberOT-2026-000012996 · never reused
Internal UUID01a0ae6d-5564-7bea-81e1-31ae1974f934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012996
StatusPUBLIC

Content hashes

Canonical text35a86c174d8ca722e7760b699edccefd3cf1cc72d6bb991e42099880e11e8397
Markdown6ffa642499186e804c1fac01059ab7a412436f62c803c7ae1f23cc84321f3ed5
PDF
Publication page056572bcc3b0f036f5d32a166fbe8bcbb36ef3b93303c35f17ad2d2d0731a47e
Manifestf8ead6037570cc4423514b475f2d738b0aa9f4f04b175d6e56df25f5ab0dd48d

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
SignaturerJCqI1bmQjZLIuf5J9QCiLTllEmSsg74HLhi9giCCl83SqmXgYCV6fDnUpE0QIFJ0WR+HH28Tu5KT980Ps30Dw==
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

2026-09-17T12:10:48.920259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012996
observed 056572bcc3b0f036f5d32a166fbe8bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.899406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012996/manifest.json
observed f8ead6037570cc4423514b475f2d738b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.879183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012996/publication.md
observed 6ffa642499186e804c1fac01059ab7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:48.859452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012996/publication.txt
observed 35a86c174d8ca722e7760b699edccefd...
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.