OpenTechnical

OT-2026-000015398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015398) never changes.

Identity and time

Publication numberOT-2026-000015398 · never reused
Internal UUID01a0ae6d-ef49-71f5-890e-6a647754d0e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015398
StatusPUBLIC

Content hashes

Canonical texta81c4230b088173eee6d28d977fec41541708d02178f7a58bc16d14c8615071b
Markdown94f08df889a1653a8015857149f99cba05d72f7a59f450fc407f7fb536fa8b3a
PDF
Publication pagedd9234d0819317e1a3d60a17defe283f1b90163b41d8a6680c0a787d6fa33da1
Manifest7270b50f5507783a69f6ce5ef4a61306453e9507c8ecb577ed0057cb28a67516

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
SignatureAa3L8EsB0c/Su9Z4jZZ4fYhMH1T6mP6t/TgNlz2mAsFg1mBrW/VHhVq+fyMIFiTP2BkD9vDZuiRnIgUp5GcsBg==
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

2026-09-17T12:06:07.304377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015398
observed dd9234d0819317e1a3d60a17defe283f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.283855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015398/manifest.json
observed 7270b50f5507783a69f6ce5ef4a61306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.264547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015398/publication.md
observed 94f08df889a1653a8015857149f99cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.244876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015398/publication.txt
observed a81c4230b088173eee6d28d977fec415...
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.