OpenTechnical

OT-2026-000025669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000025669) never changes.

Identity and time

Publication numberOT-2026-000025669 · never reused
Internal UUID01a0ae71-9bc9-7601-92f3-d409b904fe29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025669
StatusPUBLIC

Content hashes

Canonical text4e0ed4c4421121984f20a1f168fc044d7f764855261e7c00eed6513d05c5cf28
Markdown2197a31cca3e697b1b7143ec7bd3ab31e05544890236743d123ef84a0b26fac8
PDF
Publication page76fffcbcb9f229df46386163ef012a6b7363857c79157a102f5ee2240c991c7f
Manifeste9771cc30e4e7b5399b8ff83afef151e248da2de4ffe5debd2fbd443f767ee83

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
Signature3XW1FwVkmCPVpewGF5NkEdyAljCUDOXPY+soHb/Az/dw0Ef2A7MM7+OuE652HQ6/5PrQvFSMNR7/wtN4OW5QBw==
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

2026-09-17T11:46:52.538694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025669
observed 76fffcbcb9f229df46386163ef012a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.514705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025669/manifest.json
observed e9771cc30e4e7b5399b8ff83afef151e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.495449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025669/publication.md
observed 2197a31cca3e697b1b7143ec7bd3ab31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:52.476536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025669/publication.txt
observed 4e0ed4c4421121984f20a1f168fc044d...
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.