OpenTechnical

OT-2026-000029582

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029582) never changes.

Identity and time

Publication numberOT-2026-000029582 · never reused
Internal UUID01a0ae73-5e22-797a-acfa-d5ed947490e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029582
StatusPUBLIC

Content hashes

Canonical text87ead3b41cd454430b1318d2e5cdcc4ec620934929edf87fa809be1c5a18619d
Markdown47a10e060a0511d83bf8a9b7dd1607520ca845a6eef3ec0df568e562f830cb80
PDF
Publication page274fc3398b748a200617c513716e12f65b389c0eccd6fcfcaa351d898763cc35
Manifestded8c95ef82dc81a8ffa2e4597873402c56f52e059da9d6132ffca91b779ba65

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
SignaturewosG94NjWyn6RZyKt3M6mq3xFqJEsecXHpyufPUksKYg4kN8i0vGd5v2aIHM2XqVWOMYb2QFEQHe02HxxdhtCQ==
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

2026-09-17T11:39:16.723272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029582
observed 274fc3398b748a200617c513716e12f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.705434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029582/manifest.json
observed ded8c95ef82dc81a8ffa2e4597873402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.685862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029582/publication.md
observed 47a10e060a0511d83bf8a9b7dd160752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.666767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029582/publication.txt
observed 87ead3b41cd454430b1318d2e5cdcc4e...
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.