OpenTechnical

OT-2026-000092283

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092283) never changes.

Identity and time

Publication numberOT-2026-000092283 · never reused
Internal UUID01a0ae9d-875b-7c9b-ad61-313303205956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092283
StatusPUBLIC

Content hashes

Canonical text5f165314c94c63a819637af7204346833b5029649e3ad1254ef3a520d43252ec
Markdown91897505848774260eaee151b06ae58532c8e437434342c2df509827a4584935
PDF
Publication paged4f76a87ba64f5609a2320a99d0436e5906aa111895b010757df8dbbc8402b74
Manifest7befeb99ef91ad5c00c519ecc125ad0700d01c7c360223ae0e1a03a1bf2598c4

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
Signatureia3aLBj4ZA6oXxmZTYLRZvqYbmohGsDC1AWb8UpUA/dX0y5YVSC0nZ3tnEKcSB5lwV0YYBCS+f0Le/Tik7bxBQ==
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

2026-09-17T09:41:49.113132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092283
observed d4f76a87ba64f5609a2320a99d0436e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.096149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092283/manifest.json
observed 7befeb99ef91ad5c00c519ecc125ad07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.081082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092283/publication.md
observed 91897505848774260eaee151b06ae585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.064250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092283/publication.txt
observed 5f165314c94c63a819637af720434683...
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.