OpenTechnical

OT-2026-000021679

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021679) never changes.

Identity and time

Publication numberOT-2026-000021679 · never reused
Internal UUID01a0ae6f-bb59-7713-839d-e6f00cc4cdd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021679
StatusPUBLIC

Content hashes

Canonical text09c971c6e6c2dcd55abf7b3e19cd59b0f6fc2d652007063e53901746a69cb736
Markdown2308d9478ba7a9644ad875dbf53634e1ecc9f6f5238ef0f333316826538eb5b1
PDF
Publication page62f741b54b2ba2e8dc10ad5c863fb2c17947f74ac839ea64c3bb85480dcda281
Manifest3c7dbdd720da153dd182983a2c8effe90d243cb1ca7c2964a38ae318bf66bee7

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
SignatureNE2WZeZpYQB0FRwZ7VZrZ14U29D0lr9rC2Y4x3vBHbq89h2ui5V5mkdRO89j9AXgcPcGTZbBh4TQE4vnkRsCCw==
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

2026-09-17T11:54:12.782354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021679
observed 62f741b54b2ba2e8dc10ad5c863fb2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.765804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021679/manifest.json
observed 3c7dbdd720da153dd182983a2c8effe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.747562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021679/publication.md
observed 2308d9478ba7a9644ad875dbf53634e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:12.729321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021679/publication.txt
observed 09c971c6e6c2dcd55abf7b3e19cd59b0...
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.