OpenTechnical

OT-2026-000023348

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000023348) never changes.

Identity and time

Publication numberOT-2026-000023348 · never reused
Internal UUID01a0ae70-7268-7f7e-8a45-a6e828369e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023348
StatusPUBLIC

Content hashes

Canonical textdda96a9d86437d40f1dae6fb3a3017a8836de42808f9515b321203a61827e40a
Markdownca8f0859639961696551780dfe0984b5b271c5249e670681529154e09d1bf3ae
PDF
Publication page391baf04f33a5b22345b420e3fb0264bb3920c51ed3ff2a374cf983b340f9a06
Manifestcb7997d18140f3dc162d8e2ff5fc18e89e9c7e5dc225efd07682be4d9d9d0fcd

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
Signatureds66Pu7VQaTL5hkSkNUlRXaCAYWd9+X5nm2ajYi+y3V34FPKHcV6/DXeLe1mZ2c8Cz47gN1KPRLng0KjXTd0Dg==
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

2026-09-17T11:51:26.478907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023348
observed 391baf04f33a5b22345b420e3fb0264b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.451085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023348/manifest.json
observed cb7997d18140f3dc162d8e2ff5fc18e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.431019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023348/publication.md
observed ca8f0859639961696551780dfe0984b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.414523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023348/publication.txt
observed dda96a9d86437d40f1dae6fb3a3017a8...
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.