OpenTechnical

OT-2026-000020734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000020734) never changes.

Identity and time

Publication numberOT-2026-000020734 · never reused
Internal UUID01a0ae6f-65e2-7756-a809-4e26c17a5520 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020734
StatusPUBLIC

Content hashes

Canonical textf1ca33a01ab2c81b35e7b21a71aa0cd6c57719dd1cd341eb18a05df3d8b59c79
Markdownbc89419712aab8d44cfc15cbdf35c4a65fde6b5752ad2041376906505b8ed358
PDF
Publication pagead406679e58553b7ec5c0b9d32a1074a603218242fe7133a5d5ae04b3c94b112
Manifestdffec2d20d368a8480412a571f64cc7896c14aadebf23013e75bcec8dbf2d44f

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
SignatureF8JmFI4CGGOS3WSzXLYRqwnYlJWgTZGvabwl2OsbrBjhtFtaId2bCa/u8n6Wd88gP0S//Y0qbEwyCki1Mj+KDw==
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

2026-09-17T11:55:47.773665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020734
observed ad406679e58553b7ec5c0b9d32a1074a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.755581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020734/manifest.json
observed dffec2d20d368a8480412a571f64cc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.739104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020734/publication.md
observed bc89419712aab8d44cfc15cbdf35c4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.719646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020734/publication.txt
observed f1ca33a01ab2c81b35e7b21a71aa0cd6...
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.