OpenTechnical

OT-2026-000014851

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000014851) never changes.

Identity and time

Publication numberOT-2026-000014851 · never reused
Internal UUID01a0ae6d-d094-7157-9edf-c90b6dc8c934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014851
StatusPUBLIC

Content hashes

Canonical text6103b0866244a236cccdfffa790c3487b04a52e72200ee62828298d7360f10dd
Markdown90407003ad0f2c89577308efdff1be1ab4aab4d1416eba032626031e3164820a
PDF
Publication page7a95affb963cb14b657dd85e3f972158a6b104d4eacc3ebc3dc98aded16bbd87
Manifest412c057cfea1d69b870c5c2a0d9185a0c4385231d8db21cac48f22a8b6a6a0d3

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
SignatureGGO3yzhpYWAnaYWAxXNSWPS+8XstoKpjkTIqOLQHysnmYsNSFnfS7miYx4SP6OaBB8aCcjKFHscbAnsFGFuEAA==
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

2026-10-25T00:41:39.929565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851
observed 7a95affb963cb14b657dd85e3f972158...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:39.861596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/manifest.json
observed 412c057cfea1d69b870c5c2a0d9185a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:39.788123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/publication.md
observed 90407003ad0f2c89577308efdff1be1a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T00:41:39.693440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/publication.txt
observed 6103b0866244a236cccdfffa790c3487...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.853096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851
observed 7a95affb963cb14b657dd85e3f972158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.835170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/manifest.json
observed 412c057cfea1d69b870c5c2a0d9185a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.815929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/publication.md
observed 90407003ad0f2c89577308efdff1be1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.797241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014851/publication.txt
observed 6103b0866244a236cccdfffa790c3487...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent