OpenTechnical

OT-2026-000041144

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000041144) never changes.

Identity and time

Publication numberOT-2026-000041144 · never reused
Internal UUID01a0ae79-b142-7c1b-a29e-ff581a313d27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041144
StatusPUBLIC

Content hashes

Canonical text9c06bf5ddd074da0deb7fc8aef3bc0f77f006d52d0e568be8365416c371ad73d
Markdownf266d40d347eccbc7ae3025464ad8e6b859c93d41f60c38a304b8f7c9c140f56
PDF
Publication page60022148a61411248a8357aff7d1092a5f4a51fddbfc258e54f7abd1a318a9db
Manifest48081d18f13043e8c109fea5af1d5af3ff7ab0d420c14645a28b78d5f22000b8

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
SignatureFYv86PQrwayl7G08qQaRsi55fxN8hhROYNa96wAYmzjUfAMrCNTvlcCfU4r99nsnNthX35ZQmOUaaS0YS3SoBA==
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

2026-09-17T11:17:05.022408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041144
observed 60022148a61411248a8357aff7d1092a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.004139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041144/manifest.json
observed 48081d18f13043e8c109fea5af1d5af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.987502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041144/publication.md
observed f266d40d347eccbc7ae3025464ad8e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.968878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041144/publication.txt
observed 9c06bf5ddd074da0deb7fc8aef3bc0f7...
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.