OpenTechnical

OT-2026-000010015

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000010015) never changes.

Identity and time

Publication numberOT-2026-000010015 · never reused
Internal UUID01a0ae6b-cb79-7819-8499-dbfbf74d7f88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010015
StatusPUBLIC

Content hashes

Canonical text831f4302668828efe6c53e9b7ed0d6984037308643045f61e3665e3aec40dc98
Markdown4fecd9b392d04fa6a832513b11306aae0c1c51d818925513b0bb5e0dc01c2419
PDF
Publication pagecbd4ce3b5432d36c2711365cc11e056d7905b7ca67f3b8730aa5d712a60745f1
Manifest58dc374fcd2edcad3505928684fd3ce2e3e8395f7fee136ff8b23cd185a454e9

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
SignatureXfyhZoZiyMT5Ow8GDL/rm9v7s+YkNbEyPTRC2iLSVaRYLWZcAyfM+mP8g8kLoOYdBsQpiXRU8F/L3oA7wHY5BA==
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

2026-09-17T12:16:04.155189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010015
observed cbd4ce3b5432d36c2711365cc11e056d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.135333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010015/manifest.json
observed 58dc374fcd2edcad3505928684fd3ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.115958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010015/publication.md
observed 4fecd9b392d04fa6a832513b11306aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:04.096216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010015/publication.txt
observed 831f4302668828efe6c53e9b7ed0d698...
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.