OpenTechnical

OT-2026-000048822

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000048822) never changes.

Identity and time

Publication numberOT-2026-000048822 · never reused
Internal UUID01a0ae80-c32d-713e-be9d-5d3cbce23fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048822
StatusPUBLIC

Content hashes

Canonical text6d1458f2926dc91e9a9752f1445f954e7411aee69e144ed6bc2668885d573cee
Markdown2d872a358aa8813628e874f6aad3505869f9dbc934764cddaa52c0f98a636021
PDF
Publication pagee83065f91ce1f221ac9e3234671c49e3bf2e9ab1d3f17985fa284432f7975845
Manifest38cdce483e89a545c53ff57791f56c2b49da34495b4fa68d57678d99533d26b2

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
SignaturevRXPoQkM5+/WcaEN9bO+00JjfY8zOI1s3A7Dn1Dlls0Dv8K+jTjGZO0AS91BWVEYqjKNbB3yOlc/yObfuJRxDQ==
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

2026-09-17T11:04:33.267139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048822
observed e83065f91ce1f221ac9e3234671c49e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.247557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048822/manifest.json
observed 38cdce483e89a545c53ff57791f56c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.225686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048822/publication.md
observed 2d872a358aa8813628e874f6aad35058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.204148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048822/publication.txt
observed 6d1458f2926dc91e9a9752f1445f954e...
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.