OpenTechnical

OT-2026-000015983

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000015983) never changes.

Identity and time

Publication numberOT-2026-000015983 · never reused
Internal UUID01a0ae6e-0c4d-713f-8453-d223133383ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015983
StatusPUBLIC

Content hashes

Canonical text1e6067fc6eaf99bdb9e57e23764358e44dcb072c4ece77b2c10aef26b5f47149
Markdownfc802aabd01ecb7506196f9f3f947eff94eb792a0d3ff4c1c53a6625a9fc059f
PDF
Publication page4488ea9585e13eef06f43bf90a1ac1ee376081eb89f8ea20c90011bea4fd4933
Manifest157a6cea3bd6ea8ffebf0c35760d2b557ec2525845a96a6f07207998e6c9ba9c

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
SignaturelIUzwI9BH9BwsqgZrtW+E9W8WPHSjTFTz2Nsapdi+FPt0R70r0iYIDLxp8XyQwjyPSNzE1ZHcwYJGp65AV3nAA==
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

2026-09-17T12:05:29.731359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015983
observed 4488ea9585e13eef06f43bf90a1ac1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.705657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015983/manifest.json
observed 157a6cea3bd6ea8ffebf0c35760d2b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.681999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015983/publication.md
observed fc802aabd01ecb7506196f9f3f947eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:29.658989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015983/publication.txt
observed 1e6067fc6eaf99bdb9e57e23764358e4...
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.