OpenTechnical

OT-2026-000021365

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000021365) never changes.

Identity and time

Publication numberOT-2026-000021365 · never reused
Internal UUID01a0ae6f-865c-7e64-baa7-3eacd9cf53ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021365
StatusPUBLIC

Content hashes

Canonical textd28c1244d5f46f2f3e55012f75c8ee56df54c669b8f00b3114ea684bca865493
Markdown2d39d7a1a3697eed6c7e8687e962f5e949754b62edda9964388e184c678d3a8f
PDF
Publication page2092e40d4fb437378733b46e5dfbf9f6681396668078f8f5ab32cf0b12729ba9
Manifest4742b7e93022dd273564a3fe9a0d8078d54c222f9037fcb6555c1f5ecf899e0a

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
Signature2wU6+NbU2AckwAfTAJwdoj8Ik5vvOuQh14ZS5mJ2apCAOcy1i7NaXELCgwL/f9davH9J/Rhh9oQuCEE4MvAbAQ==
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

2026-09-17T11:55:13.778033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021365
observed 2092e40d4fb437378733b46e5dfbf9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.750027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021365/manifest.json
observed 4742b7e93022dd273564a3fe9a0d8078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.731399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021365/publication.md
observed 2d39d7a1a3697eed6c7e8687e962f5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.710159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021365/publication.txt
observed d28c1244d5f46f2f3e55012f75c8ee56...
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.