OpenTechnical

OT-2026-000022274

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022274) never changes.

Identity and time

Publication numberOT-2026-000022274 · never reused
Internal UUID01a0ae6f-f4fc-7762-ab5d-3036da309ddb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022274
StatusPUBLIC

Content hashes

Canonical textd5be1a814afab41558626b771ff25c8fc721fcf48bc8da999fb6e1d3e4cfdf08
Markdown97338e690b6fbb922c4369a636178688feba4e76ac1514e4c200c6c4082592eb
PDF
Publication page39261fd0e9050132420e6653fa35eface68d0ebd03c4cc25e2d436c550b0c627
Manifest0b044de77f0f2bd4eb188c2d890d061584fdc8671aeb701c547f46e688da4b70

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
SignatureRK72aIjwNADO7pkRbGxCPiGJ4IxIHwuoNCHcDs7yV99bnk4FcwVjdO0pLgNzUn2r2+LvOpLyFJg1YEsCRkAHAw==
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

2026-09-17T11:53:04.473666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022274
observed 39261fd0e9050132420e6653fa35efac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.455565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022274/manifest.json
observed 0b044de77f0f2bd4eb188c2d890d0615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.424133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022274/publication.md
observed 97338e690b6fbb922c4369a636178688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.388612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022274/publication.txt
observed d5be1a814afab41558626b771ff25c8f...
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.