OpenTechnical

OT-2026-000014253

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000014253) never changes.

Identity and time

Publication numberOT-2026-000014253 · never reused
Internal UUID01a0ae6d-b279-746d-9150-517dbc56c6ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014253
StatusPUBLIC

Content hashes

Canonical text4e00e90201381d0852d7c9e6397995c69ce82c9e8a2daede32b0ae9920fec69b
Markdown450151a5e5bf81659cbebec89246a8a8f18e5a18c164908880e722bdac686083
PDF
Publication pagefe662a1c38e62c24f8ed5bb078f25950e69dfaa8cfb1846d64687e12cd0dab06
Manifestd2cefc82bccea2ed92074a0b0bb3e3c9e15c8b16a8ec7a0a7d198b308b7fdd62

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
SignatureBKZ9eQYC4qvxZM/5aO7GgYEAQlV8JOVMTXF3Q5DQNrDFGcKDse7kp3bcIHVNEVz6dXg0QQ1+tgJhvn44zjVSCw==
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

2026-09-17T12:07:22.663860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014253
observed fe662a1c38e62c24f8ed5bb078f25950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.642911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014253/manifest.json
observed d2cefc82bccea2ed92074a0b0bb3e3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.622897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014253/publication.md
observed 450151a5e5bf81659cbebec89246a8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.603827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014253/publication.txt
observed 4e00e90201381d0852d7c9e6397995c6...
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.