OpenTechnical

OT-2026-000014970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000014970) never changes.

Identity and time

Publication numberOT-2026-000014970 · never reused
Internal UUID01a0ae6d-d096-7c11-8fbf-3ace0b46e60d · 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-2026-000014970
StatusPUBLIC

Content hashes

Canonical text3214e456e13ae32a7c8a9bfadff271b479845971f2620c323fe4796b12d74702
Markdown5ecc78bf4ee1ac4201fb93954313a82bc16cba1c0f155a2f85edc775bf67fd32
PDF
Publication page037ab37e3fd50b68a87cc52feb2564e53663c8beecd826947d07c33c48113f49
Manifest0101abf2970072d42df139cd3f7e898345564372f1e80b6ce6510c80a46d79a5

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
SignaturePJblmE8tsSbe60KkFa0Yih7sdd2zpMLgUV9Pjt95DtgLQUaMiVaL8npXPE+v6cCEwMTH4SG0cGLpZkzhL0TNCA==
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

2026-09-17T12:06:55.612606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014970
observed 037ab37e3fd50b68a87cc52feb2564e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.592176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014970/manifest.json
observed 0101abf2970072d42df139cd3f7e8983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.572420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014970/publication.md
observed 5ecc78bf4ee1ac4201fb93954313a82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.550706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014970/publication.txt
observed 3214e456e13ae32a7c8a9bfadff271b4...
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.