OpenTechnical

OT-2026-000029601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000029601) never changes.

Identity and time

Publication numberOT-2026-000029601 · never reused
Internal UUID01a0ae73-5e22-79ca-a946-8d30367acb10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029601
StatusPUBLIC

Content hashes

Canonical text85ecf259f6b8abfdfb76e246d82c6e0a1e287dbe70e2b87934aadbc652bc4276
Markdownaf7558c849290f4153e0cadad361a30f5e8baea244f85761c747781b9067c9be
PDF
Publication pagefc966b118c8a3365b4b1e5297066a47eee82ddfd6095b2d4050edf574d4e2d28
Manifest188e7b78504aea51d4b4858e8833b93d1aebb2992e3850b3cc3bf791b00de9f9

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+vzhOYB5WbYi9G+NBKSxHpzS6QD62ey9lGTXQl3k3qQVgWhFFe6NGth0ZCTFBb5zOcKp/av254FdkXRK0oB+AQ==
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

2026-09-17T11:39:01.392856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029601
observed fc966b118c8a3365b4b1e5297066a47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.362267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029601/manifest.json
observed 188e7b78504aea51d4b4858e8833b93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.339964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029601/publication.md
observed af7558c849290f4153e0cadad361a30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.295862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029601/publication.txt
observed 85ecf259f6b8abfdfb76e246d82c6e0a...
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.