OpenTechnical

OT-2026-000063560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000063560) never changes.

Identity and time

Publication numberOT-2026-000063560 · never reused
Internal UUID01a0ae8c-f945-7bac-9fb2-b3116c4ad880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063560
StatusPUBLIC

Content hashes

Canonical text7014d8a2ec2e51bb38c206733fa6defbbdd8aba7b77b5c0850edd199b5465f00
Markdown2a218c39cea319918742082a9f9b0e20071f13b9341d8513f7f2a43c1462a0f7
PDF
Publication page58e6aec5c70e40bcf87ae7a7b46fa63bc81cf705dc9e54adcdf928bada6da6fa
Manifestb000b649d1625231426602d83f53adfd1d46ba7d35e5bc5b12593ee10d895e65

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
SignaturerE9ZEjqZoKg7q6ecfSvGVTVlNMf4I8ZB6U7omXZfiTxGsc0JQVbUSJx7C6QHL6CXAdf17g5e9I6hOBARVOGcCA==
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

2026-09-17T10:37:33.919483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063560
observed 58e6aec5c70e40bcf87ae7a7b46fa63b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.897468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063560/manifest.json
observed b000b649d1625231426602d83f53adfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.875941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063560/publication.md
observed 2a218c39cea319918742082a9f9b0e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.853851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063560/publication.txt
observed 7014d8a2ec2e51bb38c206733fa6defb...
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.