OpenTechnical

OT-2026-000100461

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000100461) never changes.

Identity and time

Publication numberOT-2026-000100461 · never reused
Internal UUID01a0aea3-66ef-7f5d-b570-37becd27d32e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100461
StatusPUBLIC

Content hashes

Canonical text0a1eee68f0fd3278533005e2e8f34cbad7bc227f68680e19783940418d0fc7a3
Markdown23345343217df8e7e3080dfee7d4f5e2d0daa60bf2851258e03661f2939f0f24
PDF
Publication pagec4743f8841d2d3c8b0facecb897424b2340fa7449b2c8feebbd6d2585b5004ae
Manifestd134615ca83545b3ae6f4ceb051e07659df720ce112715ab5edeb64f30b3115f

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
SignatureYX3prT4SssJynwcs6GmkUVlinCxIaOjVPbDgBHYv49m/21rIHDkh57HUu+WIIFyVZnQXg5qfITaySrRDDBzSDg==
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

2026-09-17T09:27:12.638098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100461
observed c4743f8841d2d3c8b0facecb897424b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.616473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100461/manifest.json
observed d134615ca83545b3ae6f4ceb051e0765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.597245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100461/publication.md
observed 23345343217df8e7e3080dfee7d4f5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.579300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100461/publication.txt
observed 0a1eee68f0fd3278533005e2e8f34cba...
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.