OpenTechnical

OT-2026-000013360

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013360) never changes.

Identity and time

Publication numberOT-2026-000013360 · never reused
Internal UUID01a0ae6d-6fca-79cd-b57c-b45c57158a05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013360
StatusPUBLIC

Content hashes

Canonical text4c4601c4ba8ff0bb00b9efed0ce248eef52d673c8a90d4d3793acefc47063ad6
Markdownfd087da9d65018cc4e7986216588e0cdd46a582861dfe3e49495088823135076
PDF
Publication pagec3df52efb3fead7bd1cca88b63eece52f2a62f7d98da7fb30e38fb3c4b623690
Manifest6483da8c808124d1058cd2d2f7a890455e2b54b2377001337df0d719cb9e999c

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
SignatureVJ3lnOrkkgFTYH/mysnutBL7GakCni1JLsSEe4BuLh8A8ZXmqg2UB4n7GYtLtaJj6wuZTr8PgSYw1z8+hkQSDA==
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

2026-09-17T12:09:48.814149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013360
observed c3df52efb3fead7bd1cca88b63eece52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.794073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013360/manifest.json
observed 6483da8c808124d1058cd2d2f7a89045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.769836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013360/publication.md
observed fd087da9d65018cc4e7986216588e0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.746325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013360/publication.txt
observed 4c4601c4ba8ff0bb00b9efed0ce248ee...
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.