OpenTechnical

OT-2026-000025428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000025428) never changes.

Identity and time

Publication numberOT-2026-000025428 · never reused
Internal UUID01a0ae71-5fa7-7a76-b817-f3380da3c51c · 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-2026-000025428
StatusPUBLIC

Content hashes

Canonical text13676a4a5a84e1d32414ba5e0bb02425bd2c4569551d2fb958808cd0363ee4fd
Markdowna8c5c73843309a6f8c1f3cb0cbb325a05a06a9f4a57e770c912985379919ece4
PDF
Publication page43afb70432cd3cde3a483e7987290ad0a76853881753d91febf909197b0eaf80
Manifest9cc7a2999483a0366f2b0f7e1d9d65eb4be5e577fa9d0e752ff3365de0273186

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
Signatureh7ZVYl9jC1btqndAG/AcAHQ5l9vMEr6SKR86xYp/qPGv6KadDrH5VznruwPg692drE2oS2VAEHmRnfWxhEd4Bg==
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

2026-09-17T11:47:30.446532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025428
observed 43afb70432cd3cde3a483e7987290ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.428247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025428/manifest.json
observed 9cc7a2999483a0366f2b0f7e1d9d65eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.408380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025428/publication.md
observed a8c5c73843309a6f8c1f3cb0cbb325a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.390814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025428/publication.txt
observed 13676a4a5a84e1d32414ba5e0bb02425...
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.