OpenTechnical

OT-2026-000021102

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000021102) never changes.

Identity and time

Publication numberOT-2026-000021102 · never reused
Internal UUID01a0ae6f-65e5-7203-96bd-c977907c5bc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021102
StatusPUBLIC

Content hashes

Canonical text6e45a8557c82384b33b6114d690a4207c645a3b923b61f3058fae6a3b1e2b8cb
Markdownad2507279a2780f991deb6c87068eee1ed516ac20c1f6daa2e8b60b528b48dc4
PDF
Publication page88bc25cca89763f5a98e52a74b9515d25042adce2ff1e5509a809e2441cef3e6
Manifest6a766152d649c7b291614d51c4dcc7842fe7672777bd8e935c46aecc3f85b1f5

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
SignatureRbyv0gbwCYPHY4TQ0pwPgbNfvIabUrqoIHUVc0kOScXmAmZljpGIS+t5H834wVyw/W6vWwG1GPGiL5FBxuoaDQ==
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

2026-09-17T11:56:23.709454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021102
observed 88bc25cca89763f5a98e52a74b9515d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.690620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021102/manifest.json
observed 6a766152d649c7b291614d51c4dcc784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.671945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021102/publication.md
observed ad2507279a2780f991deb6c87068eee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.654297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021102/publication.txt
observed 6e45a8557c82384b33b6114d690a4207...
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.