OpenTechnical

OT-2026-000033083

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000033083) never changes.

Identity and time

Publication numberOT-2026-000033083 · never reused
Internal UUID01a0ae75-4844-7cf9-a430-33d0ebe6d929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033083
StatusPUBLIC

Content hashes

Canonical text5ef7a7300b9c2d3d88e2b3c9aed4d0485ddd5d386f51d04949cf83dc3a7e50b6
Markdownf31403ba73db14ec94c1297697622bcdfc177e28791b9f8de0b41377f4f7cb03
PDF
Publication page49162fca288e96b3203f84f42924a5d75f7730bf61063ff37b99210a0374e148
Manifest4d698918c4a447c282507581cfbf0f5b18ff1f31bad1e1d3aacb8c724d88808c

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
SignaturewmZ3TheTsce/YvRQwnzbuC6+o3RHrKqdvnuh6uPOUCPblwy6AvjSfkwrrVUdN2IHiM2qmuEIkTvHPE4B1fk7Dg==
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

2026-09-17T11:32:43.829376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033083
observed 49162fca288e96b3203f84f42924a5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.812445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033083/manifest.json
observed 4d698918c4a447c282507581cfbf0f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.796978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033083/publication.md
observed f31403ba73db14ec94c1297697622bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.780279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033083/publication.txt
observed 5ef7a7300b9c2d3d88e2b3c9aed4d048...
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.