OpenTechnical

OT-2026-000072237

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000072237) never changes.

Identity and time

Publication numberOT-2026-000072237 · never reused
Internal UUID01a0ae92-47c2-70bc-9188-37695fb0e291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072237
StatusPUBLIC

Content hashes

Canonical text667065428a655084253817892c2de8e2a1b53ae06742b269debaa3ea0c2c8339
Markdowna1428977b91ebc0996b0166bc6485b3685083ad214cb77f30892bfbc4f0dc5bf
PDF
Publication page5e85041267868158ecee293042ec39c6e397d8e9c89c445313fdc01f45e93ab4
Manifesta2a42f1495afda1ce0fb643502a380d35c0b8bbbe6bd71c9901e3c5a0210137d

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
SignatureVbv1HaarBaUyfkFMrxsBOgz4f/rN7gX5XXYiMW6BQR+5OiljygIBr6QvFKfob1be/9F2wrmGkLaJW/vMjkYRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:20.637870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072237
observed 5e85041267868158ecee293042ec39c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.620413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072237/manifest.json
observed a2a42f1495afda1ce0fb643502a380d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.602423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072237/publication.md
observed a1428977b91ebc0996b0166bc6485b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.583477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072237/publication.txt
observed 667065428a655084253817892c2de8e2...
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.