OpenTechnical

OT-2026-000086343

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086343) never changes.

Identity and time

Publication numberOT-2026-000086343 · never reused
Internal UUID01a0ae9a-2c96-7fc8-bebb-75e7cb202181 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086343
StatusPUBLIC

Content hashes

Canonical textfd74559430184854f41b6c34ff3e9b6f960e6fd93758185aeca2a6d2b57c5388
Markdown71f2c21b4009e8f265a5d648364f62f3e8f19b7cfab5936f90e27dd32770447d
PDF
Publication page65672a8033405dcbd4e4c3939f86f5beb1cd33977bcef0a6b5adac9e348ff181
Manifeste1f5693c27a71e0449db0da7e372205eb0ea8552d39e14bdbb79a67847bfeb0e

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
SignatureBBZK5oW611cGK5DnH8wdJW2EGuwRRduOLcAcTKcD54z8HibE3pJs535rGKULid3auUqJqDpeaFt4RszKIlm2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:02.144870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086343
observed 65672a8033405dcbd4e4c3939f86f5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.128788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086343/manifest.json
observed e1f5693c27a71e0449db0da7e372205e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.112315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086343/publication.md
observed 71f2c21b4009e8f265a5d648364f62f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.095619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086343/publication.txt
observed fd74559430184854f41b6c34ff3e9b6f...
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.