OpenTechnical

OT-2026-000042132

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042132) never changes.

Identity and time

Publication numberOT-2026-000042132 · never reused
Internal UUID01a0ae7a-5d71-7fac-9840-eb9301790b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042132
StatusPUBLIC

Content hashes

Canonical text5e840a76dbf26937ef07c1fb7f6f320906cf0822e07de82dcc4672796a23cf97
Markdownd2cb3db900cb0dbe71da96cf9044a0215d30cc05822832726c82b537e449ea2b
PDF
Publication page9561aa4fe9f7a82b9c6e2f5afa91a6e6c0c76cf91b0cda3ff9ca63a70d308fca
Manifest30348a6d15e030e80faa738510f93997a6c3b7cdb8811507aaa74988ae1e97cb

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
SignaturetaEjWG5in7A774iRldBVYtMUk+3L+1lOFeSYVjcprd50nSnjgyG6q/F3+skU8AN4nkdfeK77oBkVkv+j2c4BDg==
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

2026-09-17T11:15:40.731100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042132
observed 9561aa4fe9f7a82b9c6e2f5afa91a6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.711607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042132/manifest.json
observed 30348a6d15e030e80faa738510f93997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.691965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042132/publication.md
observed d2cb3db900cb0dbe71da96cf9044a021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:40.670461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042132/publication.txt
observed 5e840a76dbf26937ef07c1fb7f6f3209...
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.