OpenTechnical

OT-2026-000039908

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039908) never changes.

Identity and time

Publication numberOT-2026-000039908 · never reused
Internal UUID01a0ae78-d8d6-7541-bd85-47a6859ec1a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039908
StatusPUBLIC

Content hashes

Canonical text09b279bda6ad33f896ff1982cd5fd41dc63f5f245d9059f3546191ae5d4c2f77
Markdown3eee90c6011b409d8ef1a8b0272690ab443b602af814541432b74f1bdec1ce77
PDF
Publication page067284cb8d820f7af3ceed0ec04eb7101d713a2a3624b924b4930e04e6c9fbd8
Manifest0c7ff086232ddc19f22fe7a7a484b4ff25ad9dda7372f01b1dfe982c53f12e3d

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
Signature4gRa0k7ZRvFCicu1QA7/sYR/8qiDapI25+MrS0frsLhw6HHL+TBYgvcYmW9PeJwUd+kKbwIoBa9K5Un/HXFsBg==
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

2026-09-17T11:20:12.184126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039908
observed 067284cb8d820f7af3ceed0ec04eb710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.166247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039908/manifest.json
observed 0c7ff086232ddc19f22fe7a7a484b4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.145671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039908/publication.md
observed 3eee90c6011b409d8ef1a8b0272690ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.128045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039908/publication.txt
observed 09b279bda6ad33f896ff1982cd5fd41d...
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.