OpenTechnical

OT-2026-000014232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000014232) never changes.

Identity and time

Publication numberOT-2026-000014232 · never reused
Internal UUID01a0ae6d-b279-7b04-9c01-e84864b44822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014232
StatusPUBLIC

Content hashes

Canonical text84ed61959fba8eec03e0bce4d4d6fa46c0a056f1e024e4770c1c2da06b3d7a2f
Markdown9b048c48a59b474de2d7904bdcc52e79339f98873d969a745615e74b41e1b207
PDF
Publication page7c4570b360655e2d344a60cb666730a7afce15851071e89d9d0cfbc69f8ddeba
Manifeste31d894fda08f0840ac3ff6ffed194c6a16b960e32fad0f8b6e584c1847d9a26

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
SignatureYC8Y1B0v2NcrqGb6gAE95Ne2RUHpgf4hDzigzhoFAVjjHzkNkAueSiDVKs+AK3ktU+i9x210p6INEXxaa9ToAA==
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

2026-09-17T12:07:20.872262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014232
observed 7c4570b360655e2d344a60cb666730a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.848148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014232/manifest.json
observed e31d894fda08f0840ac3ff6ffed194c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.823691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014232/publication.md
observed 9b048c48a59b474de2d7904bdcc52e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.801647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014232/publication.txt
observed 84ed61959fba8eec03e0bce4d4d6fa46...
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.