OpenTechnical

OT-2026-000045039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045039) never changes.

Identity and time

Publication numberOT-2026-000045039 · never reused
Internal UUID01a0ae7c-f767-7d6b-8139-6d7c64ea18aa · 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-2026-000045039
StatusPUBLIC

Content hashes

Canonical text4a4dd089980cab384753efe4f3af59ea28ddc561cbacf060c23d0c2645b049a3
Markdownb27d3d8f9666e738e96e6f0827d719f767477f8d55499129d43ca72401599fd3
PDF
Publication pagebaec8136909a3ebd135e6476f6968946b4a0b666ea95eb9ef6b91d67d2dfd06c
Manifest1c3971f771b3b93398fc4fac16e560583f841ca4c9d2a97bbb123eab229124ff

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
Signature/GghVCgOYtaVCqeYbB4isfq/hw9dvguIpIx8AgBaQEDHuoDv5c+yxY9GADEbbHHaRJ7EOLHL31Tlp586iNilDw==
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

2026-09-17T11:10:03.409938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045039
observed baec8136909a3ebd135e6476f6968946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.390924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045039/manifest.json
observed 1c3971f771b3b93398fc4fac16e56058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.371745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045039/publication.md
observed b27d3d8f9666e738e96e6f0827d719f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.352393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045039/publication.txt
observed 4a4dd089980cab384753efe4f3af59ea...
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.