OpenTechnical

OT-2026-000053829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000053829) never changes.

Identity and time

Publication numberOT-2026-000053829 · never reused
Internal UUID01a0ae85-735d-7e1f-93e0-8baa94ee35a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053829
StatusPUBLIC

Content hashes

Canonical textcd51937fbcc7820e322f6d30bd96f3c5ccd89a338067a2877d04569e3d72ac82
Markdowna5beaaa0ac6d64e89c792a74a4a514b5974e716cecd3e3ec22e23e35b3038499
PDF
Publication page6bb57d93f1c45f2c8a37089564f75e58d048dcfac264433fa9537d15a991b382
Manifest4def6dc9585cbf71a28e74312c3148f32bf7d26fd68dbec5b79c6c389c1961d0

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
SignaturehPrrDJd0NLmEAlsgNURKe//I3E3AQWJwofovPCJqil0JVUa2bw83Ljxt7NFCo6pD/06sR/mbAoz+3zQfYX3QDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:34.495568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053829
observed 6bb57d93f1c45f2c8a37089564f75e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.472790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053829/manifest.json
observed 4def6dc9585cbf71a28e74312c3148f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.454437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053829/publication.md
observed a5beaaa0ac6d64e89c792a74a4a514b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.435094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053829/publication.txt
observed cd51937fbcc7820e322f6d30bd96f3c5...
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.