OpenTechnical

OT-2026-000031597

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000031597) never changes.

Identity and time

Publication numberOT-2026-000031597 · never reused
Internal UUID01a0ae74-87af-7a95-ac55-41a2efa5fe40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031597
StatusPUBLIC

Content hashes

Canonical textb9210b3c366f591521c8cf2aec6b929fab821579c336e7957e797b2a9b36e865
Markdownb5f6b7b795af90ece1a995a98597ca7d86bb517de3a50eb4c12239f66d6da7d2
PDF
Publication page446affe27b1da7036a3f3e8964b3c857d2e7a7a30a7d8ea349627c0b756498b1
Manifestd690f00bd0c41fa946f9588a0a7cc21e1a834a64e07a9fb53621c360fe83adf6

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
SignaturewZoKLIVLsG3Jy+TReQMa3rDiokZaFQTGyRiOV891q1uJfyHk5G8DfIZ7mzYAosEQA/fUb8OaffnNvl+Q982BAA==
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

2026-09-17T11:36:27.224152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031597
observed 446affe27b1da7036a3f3e8964b3c857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.207663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031597/manifest.json
observed d690f00bd0c41fa946f9588a0a7cc21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.189408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031597/publication.md
observed b5f6b7b795af90ece1a995a98597ca7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:27.173161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031597/publication.txt
observed b9210b3c366f591521c8cf2aec6b929f...
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.