OpenTechnical

OT-2026-000006722

Publication integrity record

Porous face vacuum gripper, six outlet manifold, 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-2026-000006722) never changes.

Identity and time

Publication numberOT-2026-000006722 · never reused
Internal UUID01a0a965-26cd-7642-88db-ab642cca88b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:13.712125Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006722
StatusPUBLIC

Content hashes

Canonical text5fd3977b02a6d59a011a3d27813a4067e0c27d5815a18c3785f269a41e638605
Markdownecc85dfe33c3840d157d758e9bad47d028c6d2ac423eb2083d2121eb6408ccaa
PDF
Publication page4d52546dd045a1fd1577f7f9b782fe3eeea5fa611d097356ec53897fc916d09f
Manifest9b0af9fa4c710e694cbda46011e286e5da20d3961d2ba16751c00c735f537588

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
SignaturekVoOxoDkvp8JvxiJ4kCIlGn69TYk6Um+HtDJQgXNokM/Rbo02yc1WSAAEp/5WyMWVcrsLSFj34VOavB+CczrCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:13.426446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006722
observed 4d52546dd045a1fd1577f7f9b782fe3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.414319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006722/manifest.json
observed 9b0af9fa4c710e694cbda46011e286e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.402005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006722/publication.md
observed ecc85dfe33c3840d157d758e9bad47d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.388868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006722/publication.txt
observed 5fd3977b02a6d59a011a3d27813a4067...
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.