OpenTechnical

OT-2026-000033648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000033648) never changes.

Identity and time

Publication numberOT-2026-000033648 · never reused
Internal UUID01a0ae75-a38f-7c38-b0a6-56f1a000afef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033648
StatusPUBLIC

Content hashes

Canonical text8566890bae0342501df833bb54ec3bc80316b9be1ee3d66b9139349ec924bc9e
Markdowna3206749ab35646a4da10a36bf3426e63fa36fd2fef9490b1b06d7d8ba768e83
PDF
Publication page87b9c55f9b844889ab8f5b564188c2698f7ca728ae21aeeb231cb51eb3241f14
Manifest4a440e014010055da348a47bb2c989ad14babaa735ca92c21dbc6b1b552ec3be

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
SignatureixVsOXBJxy7rceNPBqhGz1SgxbdBe8NQB3ZIEj57xrKtZ3cfBGu+qIV4K1tHFdg5mXNBYIAaPlkCj39izfRhBg==
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

2026-09-17T11:31:37.874950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033648
observed 87b9c55f9b844889ab8f5b564188c269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.855303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033648/manifest.json
observed 4a440e014010055da348a47bb2c989ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.838959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033648/publication.md
observed a3206749ab35646a4da10a36bf3426e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.820574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033648/publication.txt
observed 8566890bae0342501df833bb54ec3bc8...
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.