OpenTechnical

OT-2026-000039487

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000039487) never changes.

Identity and time

Publication numberOT-2026-000039487 · never reused
Internal UUID01a0ae78-9675-7f6c-9b08-ec56001c1428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039487
StatusPUBLIC

Content hashes

Canonical text8f98adc8397ba5b5433ea619007eb72dec156524f51ae71aed6c1fd3f6f8111a
Markdown65f28db74ceafcbced5a008bb55c1cebfe8d8cb5e426693bfdeb88ce5dd9fc4f
PDF
Publication page6fe9db620a8e569f1573c76a6ed1ca1a76d5076e9dd92c12e11bf53da4a68473
Manifest823a3af4f6798dd4dddbccc70797782f0a224c69c7d7fd4f016ef54f0c2a3468

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
Signature16zQbB0Fk6oWmhcC2iFQrDBaJ8O43w2o0gay1aHo4IlhDoI4N+u1BwFGWzV9CLc7QuKG544vCED7yEMxC9uMBA==
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

2026-09-17T11:21:06.827069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039487
observed 6fe9db620a8e569f1573c76a6ed1ca1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.808920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039487/manifest.json
observed 823a3af4f6798dd4dddbccc70797782f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.791762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039487/publication.md
observed 65f28db74ceafcbced5a008bb55c1ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:06.774169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039487/publication.txt
observed 8f98adc8397ba5b5433ea619007eb72d...
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.