OpenTechnical

OT-2026-000100004

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000100004) never changes.

Identity and time

Publication numberOT-2026-000100004 · never reused
Internal UUID01a0aea3-1474-7704-a568-02d4aef8212a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100004
StatusPUBLIC

Content hashes

Canonical text01817e8402e16efe1a324e0bf21b8ce760ab3e33188319806b872f09decbd9dd
Markdown0e2ae29cee238d10fa5f2bd5196a6f5a080ad5369774e5ae34e6db1f4a94a8ef
PDF
Publication pageb8693d57135a0dfae8b2f33a925602d359b986f5a5dfca0ddebe9a0a71d1b113
Manifestb31ee77d99dcda221fa9339b72ba306a5211df38bf181e4e58aad83eaf90a3ee

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
Signatureso/kTnlkqKa6SmdigaSAdbkho6ryCMhs4xNurGZfHaxC/9g0KV7FMiG2eLQveqw2oGC/C5SiJ33WTWLZ+3VJBg==
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

2026-09-17T09:30:42.915741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004
observed b8693d57135a0dfae8b2f33a925602d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.896063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/manifest.json
observed b31ee77d99dcda221fa9339b72ba306a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.875990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/publication.md
observed 0e2ae29cee238d10fa5f2bd5196a6f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.857690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/publication.txt
observed 01817e8402e16efe1a324e0bf21b8ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.196920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004
observed b8693d57135a0dfae8b2f33a925602d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.177511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/manifest.json
observed b31ee77d99dcda221fa9339b72ba306a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.158858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/publication.md
observed 0e2ae29cee238d10fa5f2bd5196a6f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.140887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100004/publication.txt
observed 01817e8402e16efe1a324e0bf21b8ce7...
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.