OpenTechnical

OT-2026-000047569

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047569) never changes.

Identity and time

Publication numberOT-2026-000047569 · never reused
Internal UUID01a0ae7f-3e59-7dd6-9f5e-efe01158422f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047569
StatusPUBLIC

Content hashes

Canonical text0056ebb61c77ef3dd19c26fa4eed96b4dd2046adc5aecf090345c21067aea995
Markdown50cdf0509c10d92285b531ec164416a12aa3d0b346dec36da38db7449d68cdaf
PDF
Publication page39ab82f684f844499605f54d2d5321d58f6fc7f7d2a05a3156f186085d75ee76
Manifest5c6e2277d79ac08b197d9062a6a7aa4d696503441790f0628d78eb818801bd32

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
SignatureV3D3WnjwdRlRVdZQR71L9HD/MMOF9q1D3hpfl358Q6gQQjGQpNL4M3nqMSOqMteoqYXHgYUzj6ybvG4i42+mBA==
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

2026-09-17T11:06:41.664414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047569
observed 39ab82f684f844499605f54d2d5321d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.644657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047569/manifest.json
observed 5c6e2277d79ac08b197d9062a6a7aa4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.626729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047569/publication.md
observed 50cdf0509c10d92285b531ec164416a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.606239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047569/publication.txt
observed 0056ebb61c77ef3dd19c26fa4eed96b4...
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.