OpenTechnical

OT-2026-000013944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000013944) never changes.

Identity and time

Publication numberOT-2026-000013944 · never reused
Internal UUID01a0ae6d-8dea-7b29-a162-95f051538cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013944
StatusPUBLIC

Content hashes

Canonical text732cc61e2f2c99d60ce86877bd456ac36cec016b38404c2f65f655836b798812
Markdown3436432feab5ab516f330e8c120497df188ae38b88b69d418ebf7d6f66e612d7
PDF
Publication page67c45c05293c6d76d2e4ce98732e902e9fce33ef4ce703302254d08eaa350012
Manifest8bcc9ea3b4e98c912d34069182be2d46b8047852fa41e5d9d594492fa7af567e

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
Signaturex1XYI8HxMLlpvOk77dITGagITI8jX41Jht/IdwrfPkvhI96oZzsmsferXbDxrg5koxJ2CCtvcll8PQcLo6S7Bg==
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

2026-09-17T12:09:05.166999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013944
observed 67c45c05293c6d76d2e4ce98732e902e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.146994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013944/manifest.json
observed 8bcc9ea3b4e98c912d34069182be2d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.126556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013944/publication.md
observed 3436432feab5ab516f330e8c120497df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:05.107172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013944/publication.txt
observed 732cc61e2f2c99d60ce86877bd456ac3...
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.