OpenTechnical

OT-2026-000083141

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000083141) never changes.

Identity and time

Publication numberOT-2026-000083141 · never reused
Internal UUID01a0ae97-c962-7e70-91ed-1aa236edb10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083141
StatusPUBLIC

Content hashes

Canonical text83668a31436d74dc175cb02f63cafd608597e2f58cb482e39f6cde33e89c21ba
Markdown3708fae4d7466ef5082d69e309c4111ea7b7cbf9d5f1fb21fc93acd7e2931389
PDF
Publication page123e4155bfe52149ab05475ba7a27e61769c6d5d4b01bb0956ab20526f87b6ac
Manifest6efa3634b775ade4f581cc78e17cb803893e0aa4a9f76429f1599e3af53d43ce

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
SignatureANv750GK4HdRhdFZojz9+TXweCp6gNZqqrGLj98LKI5Pl4FtPNupAFDDzVtScF9ZahywVmvobvVxygWW3UldCA==
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

2026-09-17T09:00:49.090270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083141
observed 123e4155bfe52149ab05475ba7a27e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:49.068428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083141/manifest.json
observed 6efa3634b775ade4f581cc78e17cb803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:48.673879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083141/publication.md
observed 3708fae4d7466ef5082d69e309c4111e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:48.647824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083141/publication.txt
observed 83668a31436d74dc175cb02f63cafd60...
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.