OpenTechnical

OT-2026-000050903

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050903) never changes.

Identity and time

Publication numberOT-2026-000050903 · never reused
Internal UUID01a0ae82-c7b3-71fb-9659-d6c4f7216823 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050903
StatusPUBLIC

Content hashes

Canonical text07524aa31b89d3a96e47c603c5eb6579ad8c71e917c79af3fc30bb52376d103c
Markdown1e7703169b743aa49912dcd5c6ba8ea252b1ad57712fa4ca6d2e0a246bf966b3
PDF
Publication page3e851d24802c4dcad47096c4419cdcaeaee02a06f7bcd6e7963c018a266d91e3
Manifest4f911c5ea6cd91f55d7d299a51b85c71e5c1e56406f1c727fa49fb714d59756c

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
Signature2hpNRAyT6RXJbgYBR8wNfgRLNIbj+J7oOdCC+FkDQC+tCH0k05A5TT+QH+3l0ODv12eiPS4mmNkRNtm2AzNMDw==
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

2026-09-17T11:00:38.998107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903
observed 3e851d24802c4dcad47096c4419cdcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.974780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/manifest.json
observed 4f911c5ea6cd91f55d7d299a51b85c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.944505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/publication.md
observed 1e7703169b743aa49912dcd5c6ba8ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.920769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/publication.txt
observed 07524aa31b89d3a96e47c603c5eb6579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.916015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903
observed 3e851d24802c4dcad47096c4419cdcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.893246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/manifest.json
observed 4f911c5ea6cd91f55d7d299a51b85c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.871372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/publication.md
observed 1e7703169b743aa49912dcd5c6ba8ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.847265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050903/publication.txt
observed 07524aa31b89d3a96e47c603c5eb6579...
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.