OpenTechnical

OT-2026-000050653

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000050653) never changes.

Identity and time

Publication numberOT-2026-000050653 · never reused
Internal UUID01a0ae82-c7b0-7e61-a487-3c4ec643c1d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050653
StatusPUBLIC

Content hashes

Canonical text4bd5b1abfe4fc635b26fda9812486150ded4f949f4596e98dc7ef5cc632eee2c
Markdownae33644d6afc8f511f226598959bc8570d81db9589f88af8fdb0e06435b12974
PDF
Publication page67439af22e9622c3e17eec3b659b7af1248a54083e51819191b5677f6431da58
Manifest1dff065a664efd0c1ae8693baed22c0998d945f9abfa3d0ba900905aefb12dc0

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
Signature4BqZReJEVKRTDjFkV4L07chU48fBKGFv0/KdEj/+hEfWpTK0mB0acRl58vP9CPZmSBFRHcUmXqLsD7yh14sTBA==
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

2026-09-17T10:59:21.142210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050653
observed 67439af22e9622c3e17eec3b659b7af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.120907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050653/manifest.json
observed 1dff065a664efd0c1ae8693baed22c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.099467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050653/publication.md
observed ae33644d6afc8f511f226598959bc857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.076835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050653/publication.txt
observed 4bd5b1abfe4fc635b26fda9812486150...
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.