OpenTechnical

OT-2026-000022708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000022708) never changes.

Identity and time

Publication numberOT-2026-000022708 · never reused
Internal UUID01a0ae70-46e9-70b3-9056-02c44bb26a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022708
StatusPUBLIC

Content hashes

Canonical text1c612746f4edaacad36a5e08ef113d464718220504db4d4b45e0427f28ee241f
Markdowncfd09fe75b49eaa88ae7e62395acad2e0dcc190d35be2718eceb9426fa48bac6
PDF
Publication page29632aa74bb19f8c5ee8a5ac29d82e81ab722d26d535d9c6cf39e0f0ef1c0b04
Manifest75a8a14bce46e79f5611796bec305d13f219534f7e018be1f5e31c17ff7b68e4

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
SignatureDRl3RxOhnq0ZGJmPrrXg89DMyqHsJ2NrGEamX+TUaXgedY0q+WwphS9xdMJFGK67Mj02T1TdO8sUxMauFV6GDA==
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

2026-09-17T11:52:12.205821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022708
observed 29632aa74bb19f8c5ee8a5ac29d82e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.182075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022708/manifest.json
observed 75a8a14bce46e79f5611796bec305d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.163009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022708/publication.md
observed cfd09fe75b49eaa88ae7e62395acad2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.146706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022708/publication.txt
observed 1c612746f4edaacad36a5e08ef113d46...
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.