OpenTechnical

OT-2026-000010422

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000010422) never changes.

Identity and time

Publication numberOT-2026-000010422 · never reused
Internal UUID01a0ae6c-0ee6-7378-977e-c0db1cdd1fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010422
StatusPUBLIC

Content hashes

Canonical textbd2d0a653fff84c0975de8a47c44a1ef0036af24fa16a00329713480992dfd6a
Markdown353de1fef7aa2493bcc09ac42f746202c135fd4c44cd341252031d3802cfdf5b
PDF
Publication page2dcad78cb498df35900d1b84a7ce3bff7b2f06ea89a9afd4c37693206fb14c0f
Manifest4f2b18baf6c85df4fa8d5fc3ae79ef54ed2ac286375548ce81471572a446beb0

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
SignatureEgbGJN8cxRXRr7jTFhxn+ALCkoqPbn0RPGhnJ6uV8bb+A1XODdz3WYcj2aNjWIOXaaQ6duUftjUXzEJ9zZ/0Cw==
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

2026-09-17T12:14:32.997392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010422
observed 2dcad78cb498df35900d1b84a7ce3bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.979695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010422/manifest.json
observed 4f2b18baf6c85df4fa8d5fc3ae79ef54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.960907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010422/publication.md
observed 353de1fef7aa2493bcc09ac42f746202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.942239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010422/publication.txt
observed bd2d0a653fff84c0975de8a47c44a1ef...
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.