OpenTechnical

OT-2026-000015469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000015469) never changes.

Identity and time

Publication numberOT-2026-000015469 · never reused
Internal UUID01a0ae6d-ef4a-7da3-92af-8f272f0853eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015469
StatusPUBLIC

Content hashes

Canonical text628cc4c0c24effd7591cf21d7eee722035b4e1af6c5096a510329121c9086b33
Markdown5537b46cd05f022a2ee088d9d32670613b35df749f86b99c03608ea05a33bdb8
PDF
Publication page8737cc41c7f6968a749799377b03b5fecb267dd1f6ca5b659f3a8efb6740adee
Manifest231d2144614c27ebd23bacec3381f33b0d40f660b8816ec1211e7e62f888821e

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
SignatureffRzYfFa6TVUJEpPQjH+kFpR0+Y8fVsmP7nUXpcKXhKS7CViSMXsUPjeVTnOm+nfZyr39W1xDov2E+ry1pB2AA==
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

2026-09-17T12:06:13.428240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015469
observed 8737cc41c7f6968a749799377b03b5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.405663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015469/manifest.json
observed 231d2144614c27ebd23bacec3381f33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.384956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015469/publication.md
observed 5537b46cd05f022a2ee088d9d3267061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.364650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015469/publication.txt
observed 628cc4c0c24effd7591cf21d7eee7220...
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.