OpenTechnical

OT-2026-000103899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down

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-2026-000103899) never changes.

Identity and time

Publication numberOT-2026-000103899 · never reused
Internal UUID01a0aea5-15e7-7ec6-b84f-88f2f311d049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103899
StatusPUBLIC

Content hashes

Canonical text4a1215d745f86e4c3aae79dd79bc3179ff447acda1bc510edfe8a48fe7e6423b
Markdown44ae3e953bc36e209fe4eb4ed120abf23aa1255aca763f8864e3f04f31897fa8
PDF
Publication page42f0bce65dcb50ecee781a7e938e16abaa103104d419d91755c5cb937d72bfca
Manifestd28d0f4f32d388aff5609868692728a464ff645e994274b389ad56b8d06ee139

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
SignatureYTQyyC3PKHIf+HW+RnURx7NQtBZig6YRPWvkKvTCeDM/mWepv7DZevF7yWuKd+gto62dGAj1ZL8nqDRWL45KBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:53.380422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103899
observed 42f0bce65dcb50ecee781a7e938e16ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.352109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103899/manifest.json
observed d28d0f4f32d388aff5609868692728a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.334799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103899/publication.md
observed 44ae3e953bc36e209fe4eb4ed120abf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.308423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103899/publication.txt
observed 4a1215d745f86e4c3aae79dd79bc3179...
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.