OpenTechnical

OT-2026-000036928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000036928) never changes.

Identity and time

Publication numberOT-2026-000036928 · never reused
Internal UUID01a0ae77-773f-7cf4-8c24-d7d645b3435d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036928
StatusPUBLIC

Content hashes

Canonical textd47ed8707a36c5c56aa6ad906f7e84a326be14af632bc006b6649115ad5a520d
Markdownbba27e6bd9b35e62e7b4f496c17fb9519ce8422835cb995affce0213e0f7923f
PDF
Publication pagec6a837e53b253333a9b465c94095e646973c7e9e33bc0ea9c3c176f64793aa8d
Manifestabb549583687c70dd9858c1918b1f0b4c190e3963909b1877625ce1cd16ced95

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
SignatureeR5kGu0I1Jl1eKJCobXRLv3V0s9t/mkqe6WSa08gjXrnJxh6RMEJdv57df66E8Y4XTSouSAjKL9ecB5zChB9Ag==
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

2026-09-17T11:24:34.384292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036928
observed c6a837e53b253333a9b465c94095e646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.367703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036928/manifest.json
observed abb549583687c70dd9858c1918b1f0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.349862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036928/publication.md
observed bba27e6bd9b35e62e7b4f496c17fb951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.330912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036928/publication.txt
observed d47ed8707a36c5c56aa6ad906f7e84a3...
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.