OpenTechnical

OT-2026-000014721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000014721) never changes.

Identity and time

Publication numberOT-2026-000014721 · never reused
Internal UUID01a0ae6d-d093-75ca-851f-b889df05d0d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014721
StatusPUBLIC

Content hashes

Canonical texteadceeedb3450811d8dfd52df09c78e9173c6378365587d9238e50c668e04e5b
Markdownaf76408a34f1b1ebfb606e4de7ab21c937d89e4ef39be6d959c03acbd2f34ce8
PDF
Publication page6d17e0aea6a6fc92c5d02f39d8a7c65122a515da531839c373cb643bb69d897d
Manifestc7ec9423cc2509527357441da76290e75bbd3ac065ae18be7287975f2e0b4159

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
SignaturezioopQWf1YG+B0zWpIL4iYh4UTgyC/s7jGnAS6+XHaq/JtHapk/mk6HERJ1pNIyg4vfn2lwrtpOdaNpUAg6rDQ==
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

2026-09-17T12:06:35.452623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014721
observed 6d17e0aea6a6fc92c5d02f39d8a7c651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.433775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014721/manifest.json
observed c7ec9423cc2509527357441da76290e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.413676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014721/publication.md
observed af76408a34f1b1ebfb606e4de7ab21c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:35.391943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014721/publication.txt
observed eadceeedb3450811d8dfd52df09c78e9...
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.