OpenTechnical

OT-2026-000100216

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100216) never changes.

Identity and time

Publication numberOT-2026-000100216 · never reused
Internal UUID01a0aea3-3053-747b-8092-11c1e56eae3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100216
StatusPUBLIC

Content hashes

Canonical text641378ef480ba2377e9aae09e0a1f00f3e0d6acd359679c38fdd613d75018e35
Markdown73504594d7c7890ce1dc0ea8242c1e30553e31bf76fbf236d418e14338d3e4ec
PDF
Publication pagec2a78c471e916708f5429f08fc5abedf989cde9d3f69c4ff1f0bba512a6796ec
Manifest93457ace7f3b9ca5616d75b628cc2cd4eb080841976683a805860e9810507264

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
SignatureCfb7O61f1WbjNYKSpkeWDj89ZHUjJJR5fnGS0mSESFJyGq8LB3V9W9sDajVc5IsrnbWW/KB8MwzQQVSA58wfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:56.539437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100216
observed c2a78c471e916708f5429f08fc5abedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.520985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100216/manifest.json
observed 93457ace7f3b9ca5616d75b628cc2cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.502336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100216/publication.md
observed 73504594d7c7890ce1dc0ea8242c1e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.484247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100216/publication.txt
observed 641378ef480ba2377e9aae09e0a1f00f...
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.