OpenTechnical

OT-2026-000061506

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented after 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-2026-000061506) never changes.

Identity and time

Publication numberOT-2026-000061506 · never reused
Internal UUID01a0ae8b-7b44-7662-b198-3c7a7080af54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061506
StatusPUBLIC

Content hashes

Canonical text678f7f54feae70c2b6adff0274edb56bfc70d31c48202d503593980184e73a8d
Markdownb2d1478d4e9c06638137759e15790588ce871ff5b829afdf1e06f0187cec97f0
PDF
Publication pagef3359b25c0e94dd5c1d2f2b6b182fbb38494b398d430aa9bb6a7f0fa99760498
Manifest2ad68289634f2f886a96f54fbc0cd6f477e8687c3318874699654c8d15961146

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
Signatureb73QpVjrtVlgGHzZuf9EaIK+aKbO7xuTdd2oU32wiqEMSYV63ACQ4DOJXkqddzXtdBURXrcwQG12JuGb1cKXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:24.110448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061506
observed f3359b25c0e94dd5c1d2f2b6b182fbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.092751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061506/manifest.json
observed 2ad68289634f2f886a96f54fbc0cd6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.075604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061506/publication.md
observed b2d1478d4e9c06638137759e15790588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.056895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061506/publication.txt
observed 678f7f54feae70c2b6adff0274edb56b...
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.