OpenTechnical

OT-2026-000039939

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039939) never changes.

Identity and time

Publication numberOT-2026-000039939 · never reused
Internal UUID01a0ae78-d8d7-791a-84f8-1481a5ba7335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039939
StatusPUBLIC

Content hashes

Canonical text939291165e0ef5f0cb3bc7e48bf348d130701156975460d63113c813e2e7deb1
Markdown9e980a4e7603e64bf08f6d671aa6faf65552182824d2f3bf4e225b933ac81d05
PDF
Publication pagecfa3f6fa0d80701dead4c5b8d5c98a839abca2d4e5bffb62b37aef6219911f3d
Manifestfd63457f3d4b96b151b36ced098a61ff8bf2782349a90342f22ae462efa4a682

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
Signaturel1j9sDfOsM0ARFNygwqZdP50aBIhkFsVLY4hUmNubqVCtQ43ZMYcChuIVU9Vz0Vta1O+JSUiLbt1UpC6FfUwAA==
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

2026-09-17T11:20:14.471585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039939
observed cfa3f6fa0d80701dead4c5b8d5c98a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.449806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039939/manifest.json
observed fd63457f3d4b96b151b36ced098a61ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.432645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039939/publication.md
observed 9e980a4e7603e64bf08f6d671aa6faf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.415301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039939/publication.txt
observed 939291165e0ef5f0cb3bc7e48bf348d1...
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.