OpenTechnical

OT-2026-000015136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000015136) never changes.

Identity and time

Publication numberOT-2026-000015136 · never reused
Internal UUID01a0ae6d-ef47-7f94-9783-656ed98bf675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015136
StatusPUBLIC

Content hashes

Canonical text585e29074eff1650974123b9496aca56838e4f73ae6f834a2bbafb1343775a6e
Markdown60ef750dfce79a15a41c6aa9284c887456453eb276e1f81a7fd579422c0322fd
PDF
Publication page097575a35547b04b681d8900b272c158b7884db6adb434c57528b09e8052d563
Manifest108624a520a23ff22766f54545c857c4d8ee84141a646e21ab10d35c57ef42b2

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
SignaturedN9PrGfn6STJWP+W3joPtg8brIQ2nUm7b/J7AXU7OMHadWfL8PGR8h4IwiApL6fQknhFEfrHjL9zb1V17pgXBA==
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

2026-09-17T12:05:44.297340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015136
observed 097575a35547b04b681d8900b272c158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.276596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015136/manifest.json
observed 108624a520a23ff22766f54545c857c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.255078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015136/publication.md
observed 60ef750dfce79a15a41c6aa9284c8874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.232825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015136/publication.txt
observed 585e29074eff1650974123b9496aca56...
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.