OpenTechnical

OT-2026-000062823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000062823) never changes.

Identity and time

Publication numberOT-2026-000062823 · never reused
Internal UUID01a0ae8c-94a7-7faa-b5d9-2f0822119af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062823
StatusPUBLIC

Content hashes

Canonical textf9ed2afa21d449d3f8a94f09b98db2dcab15d5c403b3e67ab23e6000de1670f5
Markdown7a8bb3c224b2a5f9ea47b15c59c02c614208f5d889f00307a3a55bc12ad16740
PDF
Publication page2a848f641ce405e9f8ff2d138da1d7e961c42359fd502550ea3d11b95b2faf7c
Manifestf3f1da511d7ec6d79045acd1440972e9de1ce123c682fd28ed414a9436b6cdfd

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
SignatureOptUAejiTPxQ0c2c5kXzgRqtcjFhshuZONqHj7mW1vmOUkOPLlnrAE2m4hn6En19ojaTAYHRI3Eu/m1qa6pcDA==
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

2026-09-17T10:40:08.146504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823
observed 2a848f641ce405e9f8ff2d138da1d7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.110112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/manifest.json
observed f3f1da511d7ec6d79045acd1440972e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.084452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/publication.md
observed 7a8bb3c224b2a5f9ea47b15c59c02c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.062320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/publication.txt
observed f9ed2afa21d449d3f8a94f09b98db2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.754199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823
observed 2a848f641ce405e9f8ff2d138da1d7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.738107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/manifest.json
observed f3f1da511d7ec6d79045acd1440972e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.720901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/publication.md
observed 7a8bb3c224b2a5f9ea47b15c59c02c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.704080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062823/publication.txt
observed f9ed2afa21d449d3f8a94f09b98db2dc...
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.