OpenTechnical

OT-2026-000027412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000027412) never changes.

Identity and time

Publication numberOT-2026-000027412 · never reused
Internal UUID01a0ae72-6998-7829-b328-cbb56b1af0f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027412
StatusPUBLIC

Content hashes

Canonical text828df3da6f389ee00cbdf7e763991a3909ee1dbd9288329e1330c6f624485c6b
Markdowna12819bc7a506e5fb06156d7ecc59ecacfd20b246f329f225811718442168631
PDF
Publication page4bb6b8a9234a437f57e148330466e37926fb745aa827c39baf9def38b2c37b76
Manifestaf230c1261db7aae48d88c645169274c852206ead462400268e7224e11dac7e0

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
Signature61IcM5vZPqjIG9q3OyeHPLZ2UPvzgC/igD8+KVmCqfm+/StQZqilUsdQfnZTF3zEQdCsYq3OuXvAgw/N5z9ZAw==
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

2026-09-17T11:42:50.338699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027412
observed 4bb6b8a9234a437f57e148330466e379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.320095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027412/manifest.json
observed af230c1261db7aae48d88c645169274c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.303484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027412/publication.md
observed a12819bc7a506e5fb06156d7ecc59eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.286357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027412/publication.txt
observed 828df3da6f389ee00cbdf7e763991a39...
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.