OpenTechnical

OT-2026-000019361

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019361) never changes.

Identity and time

Publication numberOT-2026-000019361 · never reused
Internal UUID01a0ae6e-f392-7afd-8ae0-9aaade1aceed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019361
StatusPUBLIC

Content hashes

Canonical textc7fb50415b2f2a57ce58a5f09460120f92d78c1dd845d147cbc4ef5c6968d261
Markdown95c284fbeef880694fdc48af9b20e6a705810d82279c0bac90cf13df5b7e35d1
PDF
Publication page63b32d8d6580e8d0c0ec3a3c0e4485a3186a89bbc2717141dbbc8870b9855ead
Manifestc92e75338431d8116a66f63b853b79a86f42ba771440e2c2cb6fc25cff91ce7a

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
SignatureWM1sMqqApETjPhV6BU6rAkN2SoRbuKcrGjxtSXX467hN1BF1XMRiEdWTLJva6C9EHdtbjz/5514VSngt/ZMNBA==
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

2026-09-17T11:58:44.430537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019361
observed 63b32d8d6580e8d0c0ec3a3c0e4485a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.412432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019361/manifest.json
observed c92e75338431d8116a66f63b853b79a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.394164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019361/publication.md
observed 95c284fbeef880694fdc48af9b20e6a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.376641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019361/publication.txt
observed c7fb50415b2f2a57ce58a5f09460120f...
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.