OpenTechnical

OT-2026-000104286

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104286) never changes.

Identity and time

Publication numberOT-2026-000104286 · never reused
Internal UUID01a0aea5-3420-7ab8-8865-fd2663d89609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104286
StatusPUBLIC

Content hashes

Canonical text6131deb599b23abd7ecf222806b76e7112a100bae89f6325b6c69475fb6f0aaa
Markdown595abbfbc65c3e74ddda13ccb96f318508b6931494123239a71a8f1bbfc0d9e3
PDF
Publication pageecfeaae266780621685988bdb9af99f462210438a83eed8b4c91e7912d6427bc
Manifeste3ea9a92a357fd6e87ac615e255e65ca98f249974e7bc5b6a5ad6dcb3f2c0fd4

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
Signature3grccUP5sF7yWB6nTcFciWE0eQQGdmt4x8lD8hT9tNHl5LXtzBm48Mi59fUJlfm9bybv201BifewyQ+d68L5BA==
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

2026-09-17T09:20:24.389998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104286
observed ecfeaae266780621685988bdb9af99f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.371662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104286/manifest.json
observed e3ea9a92a357fd6e87ac615e255e65ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.351218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104286/publication.md
observed 595abbfbc65c3e74ddda13ccb96f3185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:24.314110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104286/publication.txt
observed 6131deb599b23abd7ecf222806b76e71...
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.