OpenTechnical

OT-2026-000022052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000022052) never changes.

Identity and time

Publication numberOT-2026-000022052 · never reused
Internal UUID01a0ae6f-bb5c-741c-b24a-797bb0b06eed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022052
StatusPUBLIC

Content hashes

Canonical textc25a78d02360a5e4ce409cf439e5745be1323d398d78afff548c6f2564cb5c07
Markdown7da304e2bc97dac6ee0c774f6d0db51129b2009428d25386c01eed3593855b04
PDF
Publication page08130463d8ceaa2bb8d9b519a311a50d3df922ae8be5007890a152825d992b18
Manifestead913d90b4c765889740f2b7ff8f0a33b090d249908b0106beb64c778af4e70

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
Signature40ExKzY/0tibRngy5lMJyu01Kiaibyw4EuadqX3Clb7Fv5/f9JN9hR0UedZFDJoclsxKOC0VYeksyfPyhCzUBw==
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

2026-09-17T11:54:44.699086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022052
observed 08130463d8ceaa2bb8d9b519a311a50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.681400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022052/manifest.json
observed ead913d90b4c765889740f2b7ff8f0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.662486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022052/publication.md
observed 7da304e2bc97dac6ee0c774f6d0db511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.644490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022052/publication.txt
observed c25a78d02360a5e4ce409cf439e5745b...
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.