OpenTechnical

OT-2026-000035687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000035687) never changes.

Identity and time

Publication numberOT-2026-000035687 · never reused
Internal UUID01a0ae76-b4c7-76c4-ab4c-864f47f85403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035687
StatusPUBLIC

Content hashes

Canonical texta008732006a53606eaa898d2b01a3bc220fc39f0274a608d45ebae6efb39b9d3
Markdown1e98a2de17108ecc9cad97aa9700bdb96ece7fcfab5d69ef7f0b6e3ff919f5a2
PDF
Publication page7e77c09cebbd99363dd95b84446bbff05a4723e37eb46f51290a899d230093d5
Manifestb984eacd1607e54ca1fb153b431f143e06aa3209578e81fbf711f5a1fa5b7868

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
SignatureHVY5+Nzb5EeWC7eZCT9r7lR+AHycV08h5ASbQ36+ZDSsD2QNk0LlSTyk7Jhd8qDZp2Anw+T4OgQmg/4q5TlaBg==
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

2026-09-17T11:27:15.698446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035687
observed 7e77c09cebbd99363dd95b84446bbff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.680344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035687/manifest.json
observed b984eacd1607e54ca1fb153b431f143e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.661873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035687/publication.md
observed 1e98a2de17108ecc9cad97aa9700bdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.642216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035687/publication.txt
observed a008732006a53606eaa898d2b01a3bc2...
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.