OpenTechnical

OT-2026-000082283

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082283) never changes.

Identity and time

Publication numberOT-2026-000082283 · never reused
Internal UUID01a0ae97-4d94-734b-91b5-245721f964af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082283
StatusPUBLIC

Content hashes

Canonical text9e7760b6d68649bb27a0ae32bf09d9097af4b60fd21f7ddb768113553c982690
Markdown331734b2b41dc17b4ac6bb2e53ba5ea9da0d564d4466cefe2b0595b77a274173
PDF
Publication pagef494e8ef71fabe823e6e8a2d8e6dc46200c16c97e4c714dae65f8447d488bfe2
Manifest3b447c28421d6aadbb1ee87466da7f27fa5883e7d3e680f0f26e5e56deea4312

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
SignatureLNALF315Z550fG/t2J0sEqWyiGErB4qtZDh6IkBYhs7FPaVaX6l/GxtsKoWmA/1FP/HEA6S0y3xFLpiW6IdXBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:08.465541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082283
observed f494e8ef71fabe823e6e8a2d8e6dc462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.447366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082283/manifest.json
observed 3b447c28421d6aadbb1ee87466da7f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.430531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082283/publication.md
observed 331734b2b41dc17b4ac6bb2e53ba5ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.412652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082283/publication.txt
observed 9e7760b6d68649bb27a0ae32bf09d909...
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.