OpenTechnical

OT-2026-000044745

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000044745) never changes.

Identity and time

Publication numberOT-2026-000044745 · never reused
Internal UUID01a0ae7c-911a-7a80-8d45-9a46ca88e600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044745
StatusPUBLIC

Content hashes

Canonical text1a2f5ce57315a3947e0778b508e3f3080bc55cba9d0a53682f8948a7b2a0f42b
Markdowna74b8b6aa9c824cff5d802427c9b281adf36785aa712b981edb6f811c766f67a
PDF
Publication page85d02efb887c9aca82846640e1cfda1ec1108f95cf7e39690ddd41d943cf073e
Manifestb83bcfc775f432692343093b6b0ca7dc06464c379d19e80b746c8724c54d65b0

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
SignatureXKD7MCA2iU3t1UQkg8ubfmVGyhmIg6zZfHJLBLHIcnt4iO3svOtqP+kvsHJt8Kck3pbeSip+zCvkYyvOWFIgAw==
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

2026-09-17T11:11:21.610974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044745
observed 85d02efb887c9aca82846640e1cfda1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.592348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044745/manifest.json
observed b83bcfc775f432692343093b6b0ca7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.573855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044745/publication.md
observed a74b8b6aa9c824cff5d802427c9b281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.554976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044745/publication.txt
observed 1a2f5ce57315a3947e0778b508e3f308...
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.