OpenTechnical

OT-2026-000021393

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000021393) never changes.

Identity and time

Publication numberOT-2026-000021393 · never reused
Internal UUID01a0ae6f-865d-738e-b8d9-c6ba9c483413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021393
StatusPUBLIC

Content hashes

Canonical text7e8c3d473cee0916ffa436f9394ea18544d68220fa1fe105d4b990c1377d6916
Markdowncec72bc98c41db6ab7ed03c9e64ba7235ad6f13490bd94d65dc7db7559caddf9
PDF
Publication page356592c000e4421cd0f42d4ac7de4a73d59106cd3a461dead20a6ceab0617da4
Manifest06db058d040b61b35dde9646031c4be05a3db041ef6bea325e32e5de6f0cf445

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
Signature4IofgbshNR05K72F0xSwoH8eF/scjzUWhpw/1hZxcoVB8c2A/AJzEWm/KdLhNyhJGhptUMonpHr1QavoQ2+7CQ==
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

2026-09-17T11:55:16.825019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021393
observed 356592c000e4421cd0f42d4ac7de4a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.800540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021393/manifest.json
observed 06db058d040b61b35dde9646031c4be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.779116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021393/publication.md
observed cec72bc98c41db6ab7ed03c9e64ba723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:16.757787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021393/publication.txt
observed 7e8c3d473cee0916ffa436f9394ea185...
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.