OpenTechnical

OT-2026-000025588

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000025588) never changes.

Identity and time

Publication numberOT-2026-000025588 · never reused
Internal UUID01a0ae71-5fa8-7270-abc1-a9242dda26b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025588
StatusPUBLIC

Content hashes

Canonical text923200a9e1c0efdc5a64510b77efffc974a2ec161be4456edbf9582c404d1318
Markdown80ec0d1cce7136a5aa747d1f1e4c7e3749d67bb25073a7310e1fcadf12a81c76
PDF
Publication pagef1fe2188cb1ee82d84b09ced29beab48da17ecdfba0248a11720183b6f361eac
Manifest9c10b7511e1ca566d646ce642d78ac0f25e4372b4979e1c2f0f450801841d8f1

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
SignatureHrWlfhvEaVgkh3WfnHAlqug6liTbM/6EqZuQLiWJfDxl8qyrfNjRH2u0fOYsYtZ9NRZ8osETiq1opTGq+vYtDA==
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

2026-09-17T11:47:45.338420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025588
observed f1fe2188cb1ee82d84b09ced29beab48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.320235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025588/manifest.json
observed 9c10b7511e1ca566d646ce642d78ac0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.301414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025588/publication.md
observed 80ec0d1cce7136a5aa747d1f1e4c7e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.279748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025588/publication.txt
observed 923200a9e1c0efdc5a64510b77efffc9...
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.