OpenTechnical

OT-2026-000062272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000062272) never changes.

Identity and time

Publication numberOT-2026-000062272 · never reused
Internal UUID01a0ae8c-0abe-702d-83f7-02241d782a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062272
StatusPUBLIC

Content hashes

Canonical text58bd79615c04c295d45124cf02eabe8bd0c8e3a6a50fbd4c8306c532a25a49ab
Markdownf0305badb901e5317e491f49e6990ef4645bf48e29a51aca48d052724808d754
PDF
Publication page00f29d9d6a07a9cf12f16d9b44797d882b6c33f01f4a240e78b5d01f392bb954
Manifest4192fca9bdc29d643ae0a8612f14b0c7631c0ae58198f31a685ad9dfa0d9460b

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
SignatureqIPt6pRGaqb1JIUgdZ4d55FV/y8+WCbwrs44KIMQNSZHEWzu3TEmTafsfAPONvdpjVJgSS2bJLf799DcxTXgAg==
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

2026-09-17T10:39:33.280898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062272
observed 00f29d9d6a07a9cf12f16d9b44797d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.263348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062272/manifest.json
observed 4192fca9bdc29d643ae0a8612f14b0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.245562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062272/publication.md
observed f0305badb901e5317e491f49e6990ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.229830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062272/publication.txt
observed 58bd79615c04c295d45124cf02eabe8b...
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.