OpenTechnical

OT-2026-000045408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000045408) never changes.

Identity and time

Publication numberOT-2026-000045408 · never reused
Internal UUID01a0ae7c-f76c-7774-9774-8ffac2d77119 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045408
StatusPUBLIC

Content hashes

Canonical textee721ee5ae13b3fc834f000cde279de0eb7c357204660c1d03a9bdeeac5aae6d
Markdownc5a3df53d55f34f33761b3cc9041877c429eaca131a4efed2ca759c1f6dc292b
PDF
Publication page1ef1f3b391650f789036515bbd829f261d310da4d7d3769a3de7479ffd472b6f
Manifest7e94a49f75095de56fec96be9ba385f8946772563cee2b7e76ae6fae6add0bf6

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
SignatureTB+KveYyEG0nad/ZkUgz+1rH3GMSbSOTajzDWsmP/qOJ3GQRPjtJwnataz6lX3mAf/0F6WtnY66IKU633N/TCw==
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

2026-09-17T11:10:41.819746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045408
observed 1ef1f3b391650f789036515bbd829f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.800681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045408/manifest.json
observed 7e94a49f75095de56fec96be9ba385f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.781638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045408/publication.md
observed c5a3df53d55f34f33761b3cc9041877c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.762857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045408/publication.txt
observed ee721ee5ae13b3fc834f000cde279de0...
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.