OpenTechnical

OT-2026-000083442

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000083442) never changes.

Identity and time

Publication numberOT-2026-000083442 · never reused
Internal UUID01a0ae97-c964-71f3-b674-71413b8351cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083442
StatusPUBLIC

Content hashes

Canonical texte747876af576ca07e61e80684beb95ce87918ef6cd08168efbcb6a0dac62b880
Markdown1c17b38b93f0b5dfc39b56eabdc2926e4744b5b9fe9b327a0788f40526087077
PDF
Publication page122d16ca00b55ddb046b755dc13d0fb8c76d606d7a4b92653ef2acc4751cbe58
Manifestb6823c239d72d4f3ab0d718305805f322b5d47df6a640702547fdecc7f095c64

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
Signaturem5UKbjysCTrSOGThnWShhMSGb2dwjAkPb/nXfS9LJqp403udumUAnnCAHGmmeimKGB83GoEbgAY9VVnx+opFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:51.711969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083442
observed 122d16ca00b55ddb046b755dc13d0fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.694918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083442/manifest.json
observed b6823c239d72d4f3ab0d718305805f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.677625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083442/publication.md
observed 1c17b38b93f0b5dfc39b56eabdc2926e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.660073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083442/publication.txt
observed e747876af576ca07e61e80684beb95ce...
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.