OpenTechnical

OT-2026-000015811

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000015811) never changes.

Identity and time

Publication numberOT-2026-000015811 · never reused
Internal UUID01a0ae6e-0c4c-7c3a-b766-aa9c0d3f7bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015811
StatusPUBLIC

Content hashes

Canonical text14632616f084bc6fdb9cfa6fdd6348132346af71578dbfe1f00b7deb84ae0fe6
Markdown19f027054cadc878ef8e307ea95be2d1e786c820a9d32679c3e2c8802313e005
PDF
Publication pageb5adebb5593ce564c962b7ed899da6461f6b1ebbaf96fcbba14afbb2a1126bb0
Manifest865a317fb37ac2bd0d160a804972efcaadfa0f789a2641ce51a32658da8b6ad6

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
Signature/hu/cCOPjzRAIKyIqQCuuR1OR59U+zdXqpxwx5MeoV+iS/N1dXPHQfJTv9TU34Q6FXtw+zeo4ugx4dvl7jAECQ==
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

2026-09-17T12:05:07.290349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015811
observed b5adebb5593ce564c962b7ed899da646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.272186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015811/manifest.json
observed 865a317fb37ac2bd0d160a804972efca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.246662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015811/publication.md
observed 19f027054cadc878ef8e307ea95be2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.228480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015811/publication.txt
observed 14632616f084bc6fdb9cfa6fdd634813...
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.