OpenTechnical

OT-2026-000034431

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000034431) never changes.

Identity and time

Publication numberOT-2026-000034431 · never reused
Internal UUID01a0ae76-12eb-7e16-9d00-795aa59a12a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034431
StatusPUBLIC

Content hashes

Canonical text6e9dc9c1a699ba11bf02281d462cfe2f49b8d65ff4a6df66e61dbe69fb550b63
Markdown81a75a084b324a4210726982fcb47f00ef490745f391581f24f58d72694fc470
PDF
Publication page2bca3273465b33e6e7672eaee90321830b9c38d4690328fee61190b0775836a4
Manifest0d5f424ee4ac7759de0e5eda73a5efd0f4d227f971580d42df0590baa1e80108

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
SignaturesW170J0FFP+t4nLV59MMsBflDk/a1UlDrUyEaY7C5k/5dOP6/Zzs9HP0PnxREBfdqYM9poimqfn8kRRfasjRBg==
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

2026-09-17T11:30:45.179859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431
observed 2bca3273465b33e6e7672eaee9032183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.163666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/manifest.json
observed 0d5f424ee4ac7759de0e5eda73a5efd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.146673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/publication.md
observed 81a75a084b324a4210726982fcb47f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.129689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/publication.txt
observed 6e9dc9c1a699ba11bf02281d462cfe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.961189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431
observed 2bca3273465b33e6e7672eaee9032183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.944093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/manifest.json
observed 0d5f424ee4ac7759de0e5eda73a5efd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.926063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/publication.md
observed 81a75a084b324a4210726982fcb47f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.907264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034431/publication.txt
observed 6e9dc9c1a699ba11bf02281d462cfe2f...
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.