OpenTechnical

OT-2026-000020422

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020422) never changes.

Identity and time

Publication numberOT-2026-000020422 · never reused
Internal UUID01a0ae6f-437b-7514-8cdf-53700d4a990e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020422
StatusPUBLIC

Content hashes

Canonical text5b79c26be171a836a460ae929490610dc6afc0b11cb03fbe16797c193cf8c845
Markdowndfba801afbb93a8c3652572dd618a66bce79d461b66f065a881e8f211d1edf69
PDF
Publication pagee4707d2b1a8408866465cfde926aa4ef724fc5f9a87989d2af12c9f069dd6acc
Manifest6fee3c7874ca079a92fad77e841e84f328626dfd8d274ecdde5361b73bd28cba

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
SignaturexaW+x/JlQcVGlv7H70S+UfK3WVFH88QibwRbs0aznALytzH2bb6u1ZlsEoq5SsJwceYFRzoA4bf48cdRU1XZDg==
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

2026-09-17T12:00:20.139807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422
observed e4707d2b1a8408866465cfde926aa4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.117794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/manifest.json
observed 6fee3c7874ca079a92fad77e841e84f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.098074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/publication.md
observed dfba801afbb93a8c3652572dd618a66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:20.079357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/publication.txt
observed 5b79c26be171a836a460ae929490610d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.092730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422
observed e4707d2b1a8408866465cfde926aa4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.075350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/manifest.json
observed 6fee3c7874ca079a92fad77e841e84f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.058463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/publication.md
observed dfba801afbb93a8c3652572dd618a66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:24.040125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020422/publication.txt
observed 5b79c26be171a836a460ae929490610d...
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.