OpenTechnical

OT-2026-000059887

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000059887) never changes.

Identity and time

Publication numberOT-2026-000059887 · never reused
Internal UUID01a0ae89-ec26-7f29-9552-5cd38e7e33e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059887
StatusPUBLIC

Content hashes

Canonical textb357dfddf7662f9cfb1b7a1aef5dbf0cc6e93890b94c20d3b0a6094d45cdaec5
Markdown1c9b171441344d3634ff29978d77d754cef543c471b627e0a8cf12b87425ad1d
PDF
Publication page87625482cbf987dc4768bf7f79742726377848319074d342304490b8d16b7ef4
Manifestf7e695535cb807c8ed98b82b1a3ec3a478114729aa5e93aa3fcd9d27522278fc

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
Signaturenl0uHOMhWSfT0yoGpoayLyMJvGbTd+vYHgsYjjqSNNr4foutTqWAoiqnj4kP4NQzi4BFfn1kQ1ZHHtz+1NEdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:38.786878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059887
observed 87625482cbf987dc4768bf7f79742726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.770299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059887/manifest.json
observed f7e695535cb807c8ed98b82b1a3ec3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.752064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059887/publication.md
observed 1c9b171441344d3634ff29978d77d754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.730452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059887/publication.txt
observed b357dfddf7662f9cfb1b7a1aef5dbf0c...
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.