OpenTechnical

OT-2026-000020650

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020650) never changes.

Identity and time

Publication numberOT-2026-000020650 · never reused
Internal UUID01a0ae6f-65e2-7299-9526-005d0b25ee94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020650
StatusPUBLIC

Content hashes

Canonical text3bfae55aee1df733bef902f25f1591358784662dd7684d5022ed5c6813a621a1
Markdownda215584104fbcc35ac6443757d7cb28a25f621b4d9bfe07972ebee1c9e7c280
PDF
Publication pagee7a9a4dfe3f889dcd101d029c699b3ef1e561457ead9b4d62e1c3660fa809d59
Manifest4697ac9b067ed02a7dd4ada26d4081a2a9b0d7faf5843e37105ea1393eb0fe1f

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
SignaturevoBkVNAQUWCDK5kxJccdZruV9t+vmcwDoVFDdeFfECTTAGjC7X9PboNnvzFRiCDJwt00D0YpBxmtkcHeRIxeAg==
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

2026-09-17T11:55:36.173301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020650
observed e7a9a4dfe3f889dcd101d029c699b3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.155904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020650/manifest.json
observed 4697ac9b067ed02a7dd4ada26d4081a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.136419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020650/publication.md
observed da215584104fbcc35ac6443757d7cb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.117346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020650/publication.txt
observed 3bfae55aee1df733bef902f25f159135...
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.