OpenTechnical

OT-2026-000015979

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000015979) never changes.

Identity and time

Publication numberOT-2026-000015979 · never reused
Internal UUID01a0ae6e-0c4d-78fc-95cd-60ee297523dc · 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-2026-000015979
StatusPUBLIC

Content hashes

Canonical text21214e51e4b4c0096014748f26fad2d33536fb7f5f229c7a55c76dd86a1f6c8d
Markdownc62c5bf56d271c82fddfb30313c8437699c23219b09ca031f81ca7f9151c11c7
PDF
Publication paged61cebfd1d1cc73169ad55dfb4485afe7b75e272ae92f708ad73ec254ab56763
Manifest1ca87fc4b106079e17cc3321a72e0573fdb3da0fbb0a5263dac77426bd79f084

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
SignaturerVQq7gFbzJk6PRo7mhwK1v+PvzOOeVTt2FXT2CqLvuQjYOnWW7OU9MGt+9cJWNo1Wrb8DWtH+mZGO7i8ENN3CA==
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

2026-09-17T12:05:29.283173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015979
observed d61cebfd1d1cc73169ad55dfb4485afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.252187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015979/manifest.json
observed 1ca87fc4b106079e17cc3321a72e0573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.226123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015979/publication.md
observed c62c5bf56d271c82fddfb30313c84376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.199132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015979/publication.txt
observed 21214e51e4b4c0096014748f26fad2d3...
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.