OpenTechnical

OT-2026-000073656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073656) never changes.

Identity and time

Publication numberOT-2026-000073656 · never reused
Internal UUID01a0ae93-2b8c-7d3a-8896-aa5ca29c1e7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073656
StatusPUBLIC

Content hashes

Canonical textc3d0990367e31baa290d77ea10058dfe40c37527f25e95bbf378c65ce2e13ac3
Markdown9b5007460021860d3eeb6d52f7d346c40d62d7806fdf1984fe8b78d369591c4e
PDF
Publication pagea677a565d98313bda8bad22487328b908c3dfe5d4e0e046433e6c83176c3cec1
Manifestfee77a118067f9199477a820b17879cf952eb20cbeabc7808d011bdd92df372c

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
Signature1FW/6eS5/zjggUoD3eJlVrx9/3T8QdmeRB86soGrkgB2AwksPO1n1HMCEPncEcilCvsggvU7JJgc9+XZ2+FOBw==
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

2026-09-17T10:19:42.427243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073656
observed a677a565d98313bda8bad22487328b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.411312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073656/manifest.json
observed fee77a118067f9199477a820b17879cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.393146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073656/publication.md
observed 9b5007460021860d3eeb6d52f7d346c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:42.374681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073656/publication.txt
observed c3d0990367e31baa290d77ea10058dfe...
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.