OpenTechnical

OT-2026-000100669

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100669) never changes.

Identity and time

Publication numberOT-2026-000100669 · never reused
Internal UUID01a0aea3-66f3-787a-a1fc-e26ac7aca858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100669
StatusPUBLIC

Content hashes

Canonical text203523efa3389eb783c1207ee1ed3b1d349aa1292bb2a5642fc95c580c15f0a4
Markdown8c36aa7a76fff39ceff8d813701afda69758f972b6f08e43c7d30752f8746e05
PDF
Publication page55f19f678aa0794c083b0946cb2154fe1cd85816f48003753dadcaae83931044
Manifest82b1f643d444f22e063757560c4d3f623247a6000c2d67aaecf7bee8839659e9

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
SignatureTSZys3lZocUgIR2SiISHFKxo6f03ixqGB9uXPbv+Jm3alEhrixNfGsJr8kX9eIUp+06FjA00h3hxuvGPJ7bKAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:28.821748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100669
observed 55f19f678aa0794c083b0946cb2154fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.802754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100669/manifest.json
observed 82b1f643d444f22e063757560c4d3f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.784741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100669/publication.md
observed 8c36aa7a76fff39ceff8d813701afda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.764250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100669/publication.txt
observed 203523efa3389eb783c1207ee1ed3b1d...
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.