OpenTechnical

OT-2026-000048916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000048916) never changes.

Identity and time

Publication numberOT-2026-000048916 · never reused
Internal UUID01a0ae81-134b-7a77-993a-ca25d27433c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048916
StatusPUBLIC

Content hashes

Canonical text7b41ccdaaba8fc38b427bdb693218c6d705bf4af33df671e4f8612b5bb02e54d
Markdown2dff10e02d29360ea83f6ca25a6afbb56e3e7f54f13a179a76f166d18dce6422
PDF
Publication page4a5abc6f80be1b7486150d4e33aeec8b041f5cf972b680a45884c076a3a4624b
Manifest54d0e93573acd948f3c66520d4decd45f0ddd578436ad56f30e8adac81e308e9

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
SignaturexhWsoYE5A/KOLK/fAjQDxoOZvXsYhIHRWYw9F/Ql+U+2JUByrg69BpYsLriUE4kkwi5HEWUSTrC3saLCGlMQCg==
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

2026-09-17T11:03:05.482240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048916
observed 4a5abc6f80be1b7486150d4e33aeec8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.461273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048916/manifest.json
observed 54d0e93573acd948f3c66520d4decd45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.442901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048916/publication.md
observed 2dff10e02d29360ea83f6ca25a6afbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.425756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048916/publication.txt
observed 7b41ccdaaba8fc38b427bdb693218c6d...
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.