OpenTechnical

OT-2026-000045924

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000045924) never changes.

Identity and time

Publication numberOT-2026-000045924 · never reused
Internal UUID01a0ae7d-8f87-73ca-88fa-02ba50206596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045924
StatusPUBLIC

Content hashes

Canonical text73deda2d3b4d986b2d043d9ba6ae3c559db658428633cb83f8605323855df428
Markdown555991ac844bc97831477025080fc93de66f26f9feddb9d2ba7b639df002b51d
PDF
Publication page6dab05ae20621575c6df12456e29712edc7977f7e2e777b7f0a10b0d23d9bfba
Manifest2bca87aaa842a896357d8746457ad91a422c8f7b53087a22c143a5e8e02b5b7f

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
SignatureCWc7UI5Gm9Zh8pQUfF6eqrpBge4MzaYMFy70N1pgSTaYxuk29vhXZLPdLXDThhRNyLEbKpUGqETYOsH56DalCQ==
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

2026-09-17T11:09:49.772874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045924
observed 6dab05ae20621575c6df12456e29712e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.754823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045924/manifest.json
observed 2bca87aaa842a896357d8746457ad91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.735733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045924/publication.md
observed 555991ac844bc97831477025080fc93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.715693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045924/publication.txt
observed 73deda2d3b4d986b2d043d9ba6ae3c55...
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.