OpenTechnical

OT-2026-000080294

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000080294) never changes.

Identity and time

Publication numberOT-2026-000080294 · never reused
Internal UUID01a0ae96-7e77-7be5-afe0-004c6b7ea777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080294
StatusPUBLIC

Content hashes

Canonical textdccef3a451796f4f785f5c97b4d37aafbc1e086b258c9448fdf1320f66189732
Markdownb2d5b46023271100df88d25280b4accdeeaeb2b85451ca1120d3052aba7ca351
PDF
Publication pagee96437e9f89a3142774e590a5f3e59e51c6f921863c778e9ced47996e9e646fb
Manifestfb4ff4f47560eefdb0d83b15048f5ff9cd26e5192e6dd4272b27b0fbbd79b540

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
SignatureF7jvYnQOSd1bmu08aXYmyrvJGHt50LiE8pWtD46d0VxzbJt1gBJvEMfOeX+RK9sy0pYEtZaVPUfar8sEJ+PXAw==
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

2026-09-17T10:02:45.463049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080294
observed e96437e9f89a3142774e590a5f3e59e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.443864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080294/manifest.json
observed fb4ff4f47560eefdb0d83b15048f5ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.424802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080294/publication.md
observed b2d5b46023271100df88d25280b4accd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.405451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080294/publication.txt
observed dccef3a451796f4f785f5c97b4d37aaf...
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.