OpenTechnical

OT-2026-000029804

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000029804) never changes.

Identity and time

Publication numberOT-2026-000029804 · never reused
Internal UUID01a0ae73-5e24-7664-b771-8b354c38c369 · 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-2026-000029804
StatusPUBLIC

Content hashes

Canonical text96e93f86c19d4da2f62cf832f60b9b385eabb17659406bd47246059aa7cd53e6
Markdown0780f8e400dedbacd61ad999b4c1c829043a4d0b322db929d1097448c257f67b
PDF
Publication pagec5f7e59d0b5500d7d62105acdf4780ba9c210540cd653285fc4cadae6cf92bfe
Manifestb00921fb065c508b8ce18a170a1c5b077d1f0b870ba712e126e64137c6c35281

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
SignatureK916v2QIw/um9Z1jdWlCqT3dZEMGaQ4ZQy7PLH7jFQKTTvt6zr5NAu4TUgrgcE+bFiAkf95W8rUOOAFlFsWGDg==
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

2026-09-17T11:39:34.454770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029804
observed c5f7e59d0b5500d7d62105acdf4780ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.437891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029804/manifest.json
observed b00921fb065c508b8ce18a170a1c5b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.420745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029804/publication.md
observed 0780f8e400dedbacd61ad999b4c1c829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.404411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029804/publication.txt
observed 96e93f86c19d4da2f62cf832f60b9b38...
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.