OpenTechnical

OT-2026-000031302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off 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-2026-000031302) never changes.

Identity and time

Publication numberOT-2026-000031302 · never reused
Internal UUID01a0ae74-87ac-7fa8-be80-e1951a238003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031302
StatusPUBLIC

Content hashes

Canonical textadfa15acc2f7e3b104518cc9ffbc555cb3e5bfad7a58a765dfae6e05a812d607
Markdown0d5338c0fcea415f322f59c2b3d01b1d75b7f4276fba20282b06561fe92dd57e
PDF
Publication page138b9071d52bd6985360a621c988da0b5dd21976925b4fd79dce47a067af334f
Manifestf0d5b62c22daee45a8d30a7660c981008b8e1cb9357560cee0a18f0b909b2b99

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
Signature7rf7jLK8u0IFgYT50v6M3XcL56wyNBaptqcasA0EhmX0X+X06vvANxSqSVKpUG89HMVbcpBTPctH93kMBONMAA==
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

2026-09-17T11:35:53.454763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031302
observed 138b9071d52bd6985360a621c988da0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.435961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031302/manifest.json
observed f0d5b62c22daee45a8d30a7660c98100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.409820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031302/publication.md
observed 0d5338c0fcea415f322f59c2b3d01b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.392000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031302/publication.txt
observed adfa15acc2f7e3b104518cc9ffbc555c...
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.