OpenTechnical

OT-2026-000050620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000050620) never changes.

Identity and time

Publication numberOT-2026-000050620 · never reused
Internal UUID01a0ae82-5c4a-7cfa-a65d-f441ef689670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050620
StatusPUBLIC

Content hashes

Canonical text5fa40b2d8cba76163779dee4b6d737177462bb08097de967acdc6a1c62087423
Markdown9d6ca5bfe850fe46c40c3d90349de18f7bbb8df63643602ea47fc21c993e97b5
PDF
Publication pagee33eda07bb79b6722c2394f5b1708faf65722dbbc68328ed40d4a80c757ec735
Manifestfc510170ccd542ccbaae73174afebe3aebd2843abfb183bd72b5259b93d0e08a

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
SignatureniomFZXjtGU2BxcxtgMZS6r5wkINTRwmEeJAR25UW5NHymh5tijwKpFQff9Hu4L6yR/p5zOWPrPr9KXVrfwjBQ==
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

2026-09-17T11:01:43.943313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050620
observed e33eda07bb79b6722c2394f5b1708faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.923414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050620/manifest.json
observed fc510170ccd542ccbaae73174afebe3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.902629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050620/publication.md
observed 9d6ca5bfe850fe46c40c3d90349de18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.881386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050620/publication.txt
observed 5fa40b2d8cba76163779dee4b6d73717...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent