OpenTechnical

OT-2026-000059613

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000059613) never changes.

Identity and time

Publication numberOT-2026-000059613 · never reused
Internal UUID01a0ae89-ec24-73d6-9349-918e7fee4c1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059613
StatusPUBLIC

Content hashes

Canonical text0ae47f4b906644aaf73deb05c2737bb76de801223a14363f2521a2b9284b171e
Markdown610fa1748c21efef7ee5113e7819ea1ea1629a26171a140521fe773038cb0b21
PDF
Publication page7ed395e094fc9eaa874499a7d4aa5e28142203e64dae8e2e9d8a3d30f9a76b8d
Manifest748abdaf12803f36a5b08ebbdb3b41aa5abdd2d427a3d9b50dfd7f3760311add

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+IeOziBx1jH3l8JzBpzFG01JcIduwsi+pk0N+wIYNjgWbbM/pxeOWCFt5AgZXJGUPiPK2gYPWCl5Wdc2IBeKBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:16.181205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059613
observed 7ed395e094fc9eaa874499a7d4aa5e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.163144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059613/manifest.json
observed 748abdaf12803f36a5b08ebbdb3b41aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.145362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059613/publication.md
observed 610fa1748c21efef7ee5113e7819ea1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.127816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059613/publication.txt
observed 0ae47f4b906644aaf73deb05c2737bb7...
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.