OpenTechnical

OT-2026-000048392

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000048392) never changes.

Identity and time

Publication numberOT-2026-000048392 · never reused
Internal UUID01a0ae80-4de4-788f-98c8-a7f459d00aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048392
StatusPUBLIC

Content hashes

Canonical textc7679e744f688ce878dea2e4be0fe612d19126bbecd50a748412ecf7bdd4ca77
Markdowne0660ccbda313bdd3c3e2bcc8c005dd6f7ede3b1bdb2555027888add99654d77
PDF
Publication pageeac21fbaab207467c6383d102d02fcacce9b0c0ebd0698361d021032e9fb6e1d
Manifest65984b0c8a5f7fe9d4f3a382d6e914517209979de44e4485b1d5bddceea41c20

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
SignatureU60D1DG1nuNMwmK5WW5g8jOFt6oCqu3zpY6vsbHsWCxy139yyjZHCuTlxDa2Si3rGvScXdw/+PJAftuPlkGZAw==
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

2026-09-17T11:05:01.559558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048392
observed eac21fbaab207467c6383d102d02fcac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.540634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048392/manifest.json
observed 65984b0c8a5f7fe9d4f3a382d6e91451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.520029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048392/publication.md
observed e0660ccbda313bdd3c3e2bcc8c005dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.498044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048392/publication.txt
observed c7679e744f688ce878dea2e4be0fe612...
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.