OpenTechnical

OT-2026-000025522

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000025522) never changes.

Identity and time

Publication numberOT-2026-000025522 · never reused
Internal UUID01a0ae71-5fa8-7afe-af6f-e1f8e846c12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025522
StatusPUBLIC

Content hashes

Canonical text43b4415df3f15e05e1397fa26309d4a7250b40d8a343d51060affbe1578fa732
Markdown60bab34c3bd30be5d97c4ea16972443d0c1b742f61355e9004ccd36d62b6abc9
PDF
Publication page11860ef85f6baf16a9a5943e3fff3a941eb7360a32998be3e5586d9ff96454f6
Manifest5d8e8d6fc49d49326fb39cb2888d0b276d56c7770c6c12d93a444db38db5c2ec

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
SignatureXWjMVdNfNzGLAsrfb9EVoCrDMjydYzy2A8umgTItRzIG6hwfpaDQNj6iz6YZgOyzK3eGdSSbB3lSlM7UVXxQCg==
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

2026-09-17T11:47:39.739684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025522
observed 11860ef85f6baf16a9a5943e3fff3a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.713005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025522/manifest.json
observed 5d8e8d6fc49d49326fb39cb2888d0b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.691906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025522/publication.md
observed 60bab34c3bd30be5d97c4ea16972443d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.672623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025522/publication.txt
observed 43b4415df3f15e05e1397fa26309d4a7...
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.