OpenTechnical

OT-2026-000015898

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015898) never changes.

Identity and time

Publication numberOT-2026-000015898 · never reused
Internal UUID01a0ae6e-0c4d-7745-9ec1-69a985117086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015898
StatusPUBLIC

Content hashes

Canonical textda550708a5d64f8e64100c3a45f3669d98464a4b0d6ff3ffc5db9b3fadf3b2eb
Markdownc85a200d25471560eec299722282ad0956e7dc5862053a4ffec9de8c99538b89
PDF
Publication page204fe04067af1787f757267815c609a5e09787e10d5786227d5342e3825aac07
Manifestc92c57249692c37652f4f6ca4829114ef48b474de09afebf29c89e89b3664b54

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
SignaturerkDg3xgDN5tTjJIcYc9K8fqKhJgjZZzWSNcs73GHBTWFuztNBkFSuUebgDE//4GJNXBnHRM1TRbuVpa32eHZDQ==
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

2026-09-17T12:05:21.422052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015898
observed 204fe04067af1787f757267815c609a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.403736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015898/manifest.json
observed c92c57249692c37652f4f6ca4829114e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.383355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015898/publication.md
observed c85a200d25471560eec299722282ad09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.363578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015898/publication.txt
observed da550708a5d64f8e64100c3a45f3669d...
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.