OpenTechnical

OT-2026-000025809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025809) never changes.

Identity and time

Publication numberOT-2026-000025809 · never reused
Internal UUID01a0ae71-a83e-7539-aa1e-cf31d852e518 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025809
StatusPUBLIC

Content hashes

Canonical text8231429bba66ddf3390277bcfe697b6778b9d3e2648892de2875ad2fbe4b07d6
Markdown9e3395c99c87274b8504f933763755773eb93dbe7c8efa75ce20f359d416047a
PDF
Publication page6698bedaf908898e9feab493f4ba2142702fdfa71dd2aa76d930800959c19111
Manifesta8ab233285feea13ffda9f2379e0e4b5a9ec6bd857f882ddb7a5cdb5dbe52bc2

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
Signatures3rk2BlGUzwVr9Wtaa+dNoLBT/cAHHmdUWM2Fivr9pNoG1vnw/LfvdMGHY3ILS1b0WHvpSOsViqkKAlOAYgBAw==
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

2026-09-17T11:46:01.468352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025809
observed 6698bedaf908898e9feab493f4ba2142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.448763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025809/manifest.json
observed a8ab233285feea13ffda9f2379e0e4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.429897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025809/publication.md
observed 9e3395c99c87274b8504f93376375577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.411112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025809/publication.txt
observed 8231429bba66ddf3390277bcfe697b67...
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.