OpenTechnical

OT-2026-000033401

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000033401) never changes.

Identity and time

Publication numberOT-2026-000033401 · never reused
Internal UUID01a0ae75-8980-7495-baf5-2b622b5308e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033401
StatusPUBLIC

Content hashes

Canonical text8a6e7355467edae2dc3a9cf724ca2fc52e1c592a50c53b78a0017bde97e812bc
Markdowncc7443d62e7cda9fd5d5a0c18e374827b411b7a2bbbdcbcd1faa102ab7a3e6d6
PDF
Publication pagef0ab360a4836a80cf067f2f18ae1b8f0bbc27b0477f0b33b4f421cc12cf7c059
Manifest4389bff6cf7a61e482515083f5c8414533b1afdc1ef816c1bfff1d8dfe83d3cd

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
SignatureJW+rdNPv2QqbUOSGQqDAGVkJDxrIAAEucETrU+lGhEXHX/UCXEUrvq2UFZh28lg6Ru3ZzNii0wlb8kJ8hqy1Dg==
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

2026-09-17T11:32:10.891403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033401
observed f0ab360a4836a80cf067f2f18ae1b8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.873136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033401/manifest.json
observed 4389bff6cf7a61e482515083f5c84145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.855348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033401/publication.md
observed cc7443d62e7cda9fd5d5a0c18e374827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.836657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033401/publication.txt
observed 8a6e7355467edae2dc3a9cf724ca2fc5...
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.