OpenTechnical

OT-2026-000025893

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025893) never changes.

Identity and time

Publication numberOT-2026-000025893 · never reused
Internal UUID01a0ae71-a83f-7ffe-acfb-90dfe0c995ed · 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-2026-000025893
StatusPUBLIC

Content hashes

Canonical text98f0b9c1c2b15a93e6cacf3ff594f35d1f6d15d642866ff9d9237559d7ce0148
Markdown147452d28e17fd962031bc104393099ba0d5d8dfe27eed4383eeb2aa6e8ebeec
PDF
Publication page2239a64b1c8160d172e82b18ebc356f89976ea9fd57d8dd6b01003404a377f9d
Manifest0b62fd8ae0c66688f9ca3556b4822215849301ad679af7ef92e16967d9f2437c

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
SignatureFZ0UBc6rU0XGKBS+xePQPkMzm0Ws0kKWXxWAflLZ0RwreOLUjGNrG4nuFoDAwodHQl1GWS4I8VuP6ttIfMXsAw==
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

2026-09-17T11:46:14.144001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025893
observed 2239a64b1c8160d172e82b18ebc356f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.126306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025893/manifest.json
observed 0b62fd8ae0c66688f9ca3556b4822215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.109021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025893/publication.md
observed 147452d28e17fd962031bc104393099b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:14.089369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025893/publication.txt
observed 98f0b9c1c2b15a93e6cacf3ff594f35d...
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.