OpenTechnical

OT-2026-000012695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000012695) never changes.

Identity and time

Publication numberOT-2026-000012695 · never reused
Internal UUID01a0ae6d-5562-7119-9942-d6a27aafe0ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012695
StatusPUBLIC

Content hashes

Canonical text86182993afa360e7abbf8f44f919f3b844f30a767e53609e32a841be96f41e5c
Markdown2623441ec39d90d7d2e67bc87a93c5da9a7f7e07635695a78b3dad10b0c9d343
PDF
Publication page7c827f2d50b24f8372e783562b48562e36a11437e116c8de7feaaa0c8df83ac3
Manifest9c3c0eb2636910d0b7b7a41bd08ed8f03c9d8dd3bf47a5775c1fff15cd7af1f5

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
SignatureSab//1XZdAySC574y52FFkJP2z0GWQwPSBDlEg9ZpecX1hYlXWKcsTz++tA4sRQq+3KOSKmLEKHLy+J8CqZ2Cg==
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

2026-09-17T12:10:20.883244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012695
observed 7c827f2d50b24f8372e783562b48562e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.863764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012695/manifest.json
observed 9c3c0eb2636910d0b7b7a41bd08ed8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.845228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012695/publication.md
observed 2623441ec39d90d7d2e67bc87a93c5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.825483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012695/publication.txt
observed 86182993afa360e7abbf8f44f919f3b8...
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.