OpenTechnical

OT-2026-000012363

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000012363) never changes.

Identity and time

Publication numberOT-2026-000012363 · never reused
Internal UUID01a0ae6d-39f6-7e13-8f74-e902b7a3ad23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012363
StatusPUBLIC

Content hashes

Canonical text66b5d9f423d139f4391be7209c19ec351aa40e98e7c837f9ac6acafe88bf1085
Markdown8fc82117f994c2662650535eb8d4ef8cbf2845cdb5184c1588b5f537b975c6c4
PDF
Publication page0dfa65b9471025c082143cce94eefc34cc4b0fba6dd0ee3f31e2e880ba4a111d
Manifest232168a70b356d88d5fe53b9fb0317e673ccbebb02ab748e5867a63cf0f0caec

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
SignatureKaXKakyZedJyXkQcgGDZ9n9cidHF7KR7QTypAjpd/32PYlzfau0X2f8PCiXSJ8keDa3QSFdBYGbK6YidnBPNBg==
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

2026-09-17T12:11:50.872926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012363
observed 0dfa65b9471025c082143cce94eefc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.853321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012363/manifest.json
observed 232168a70b356d88d5fe53b9fb0317e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.835876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012363/publication.md
observed 8fc82117f994c2662650535eb8d4ef8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.817556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012363/publication.txt
observed 66b5d9f423d139f4391be7209c19ec35...
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.