OpenTechnical

OT-2026-000020565

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000020565) never changes.

Identity and time

Publication numberOT-2026-000020565 · never reused
Internal UUID01a0ae6f-437c-7f68-b271-f6b24955de5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020565
StatusPUBLIC

Content hashes

Canonical text42a589dba910eec7423172f7ac4ebfb2490adeff21418adc892046426eeefe8a
Markdown06251543eca1ad673261557a6411e51ade8d5f79771b301c3f45a2bbed99fa65
PDF
Publication pagec3f731ffa2a9d78d5d51809f00e7d85d164fef171a09ebe2a5272d09168c9678
Manifest66865489a3b57db419519a4c25a48078b692bf67647110aa7ff1f6b3ca19e28d

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
SignatureGqh56WeZfMgS0lK8B7TbLpck1kyWBf/ud17XjhYqM4iGOY2MIs8ST/+wsR+RwCKDwVudUECjDPFFhlWZ6eRNBQ==
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

2026-09-17T12:00:27.855785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565
observed c3f731ffa2a9d78d5d51809f00e7d85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.834273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/manifest.json
observed 66865489a3b57db419519a4c25a48078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.808197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/publication.md
observed 06251543eca1ad673261557a6411e51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.766803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/publication.txt
observed 42a589dba910eec7423172f7ac4ebfb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.916858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565
observed c3f731ffa2a9d78d5d51809f00e7d85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.899397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/manifest.json
observed 66865489a3b57db419519a4c25a48078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.883474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/publication.md
observed 06251543eca1ad673261557a6411e51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.859226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020565/publication.txt
observed 42a589dba910eec7423172f7ac4ebfb2...
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.