OpenTechnical

OT-2026-000013474

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000013474) never changes.

Identity and time

Publication numberOT-2026-000013474 · never reused
Internal UUID01a0ae6d-6fca-7aaa-a4c2-9dac75d9ed20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013474
StatusPUBLIC

Content hashes

Canonical textaa4cafd71cf6cb2ec4238ad12bbc2aa28229ef69ebbd6f4ba2ee45fbebba912e
Markdown382948b612b7a4286bb077b7729e5dc1bfa88dd0196d02fd754f49de9f6c7326
PDF
Publication page95a0aa95f41de85c1526bc7d9d43fba3aed274e958fe47f86b274fcc504d1e53
Manifest42c8223a693903d494468165600b2d10027b24fbd94bee00c4789d32b7be3eeb

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
SignaturenjWY5+kj1BdYpfNOQC5YOoIrLfkEAWQ83h/Ij/Un+occfMv51XvuQDLt3kPUGHgzwa5FUoeGKzBFNIOIQQIKAA==
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

2026-09-17T12:09:58.486411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013474
observed 95a0aa95f41de85c1526bc7d9d43fba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.469182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013474/manifest.json
observed 42c8223a693903d494468165600b2d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.450042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013474/publication.md
observed 382948b612b7a4286bb077b7729e5dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.430406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013474/publication.txt
observed aa4cafd71cf6cb2ec4238ad12bbc2aa2...
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.