OpenTechnical

OT-2026-000048740

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048740) never changes.

Identity and time

Publication numberOT-2026-000048740 · never reused
Internal UUID01a0ae80-c32c-7dca-9488-5d548b028e04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048740
StatusPUBLIC

Content hashes

Canonical text802d602594eace20fe91cb57e59490a237b89883d48729223f3ec0026a349e32
Markdown3426508a70ea4654571add5b6f0611e43f18fb28f80de79414890460cf40982b
PDF
Publication page5cd0c64ad6dd94b778406278ecf59f0ccfdc1a8a1a995843bd7d30e291d5a78b
Manifest568ca3855f4a3e5762590150c35a4c576d91c3e1730bace5baa13e59a5776ffd

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
SignatureE2105JnmNNi5XuXUOwogB6ROj+zbaCZm75Whe2o1uvmt4E1xRnjF/I5TyC7ynps/70/qu7XV4UEluzDAyRQSBw==
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

2026-09-17T11:04:23.750474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048740
observed 5cd0c64ad6dd94b778406278ecf59f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.720801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048740/manifest.json
observed 568ca3855f4a3e5762590150c35a4c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.694931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048740/publication.md
observed 3426508a70ea4654571add5b6f0611e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.673773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048740/publication.txt
observed 802d602594eace20fe91cb57e59490a2...
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.