OpenTechnical

OT-2026-000046480

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000046480) never changes.

Identity and time

Publication numberOT-2026-000046480 · never reused
Internal UUID01a0ae7e-57dc-7c5f-a9cb-e114a85abce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046480
StatusPUBLIC

Content hashes

Canonical text27bca295dae661b2f3da5ce96eb249a0fb6c5e1b504ea9567ed16da9b6a12400
Markdown72710a6e9549a9d6d7a233ff11dc1bcafcd8a9c6faa56f9f721b9802538bb461
PDF
Publication page7f62452af4f35b9007ae7a07ba1456c28ef7dee9e68b985e18dd1dece1cce910
Manifest1650482dc122bdd944e7a61096b3781376d41f809b85772667cf1287c024ea1e

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
Signature1lYYR1xSIC6Uva45Ztc9dMBvxIiOk0KU9L3kf3afti+2fr43XkzWLmkNBSlCCUTMn8yVxHblusFKzAsQD+qlAg==
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

2026-09-17T11:08:30.880969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046480
observed 7f62452af4f35b9007ae7a07ba1456c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.862426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046480/manifest.json
observed 1650482dc122bdd944e7a61096b37813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.843271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046480/publication.md
observed 72710a6e9549a9d6d7a233ff11dc1bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:30.825503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046480/publication.txt
observed 27bca295dae661b2f3da5ce96eb249a0...
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.