OpenTechnical

OT-2026-000039877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039877) never changes.

Identity and time

Publication numberOT-2026-000039877 · never reused
Internal UUID01a0ae78-d8d6-78c8-8be4-884e6e236876 · 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-2026-000039877
StatusPUBLIC

Content hashes

Canonical text19770349f1253e7bbdfedbdbc7c8ee056b7f6034f9fb455cbe76708447dc24c3
Markdown5288dde38ea2fd5b93ce6c76780ae77807b102462a539a1d56da135afe8e6052
PDF
Publication page79da060256223a5deff23f3bf68888eb7e133efcef8b22bb8f46d63a5fa1ab76
Manifestf92660458354d6b07c99770e1b24ac6b5d2cc7100e61cd2fe7dc42f924c9db5f

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
Signature5zJRcy3piTViFXZ8BVIyMvS5p2CN7+5cJi96tQceoxno8qS7zBw/19kwHAexooOK5pxS2b0FnX9gLLgE31Z1Aw==
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

2026-09-17T11:20:09.593206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039877
observed 79da060256223a5deff23f3bf68888eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.574911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039877/manifest.json
observed f92660458354d6b07c99770e1b24ac6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.558425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039877/publication.md
observed 5288dde38ea2fd5b93ce6c76780ae778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.540407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039877/publication.txt
observed 19770349f1253e7bbdfedbdbc7c8ee05...
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.