OpenTechnical

OT-2026-000017490

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000017490) never changes.

Identity and time

Publication numberOT-2026-000017490 · never reused
Internal UUID01a0ae6e-76ca-7f35-b64c-958436b06ff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017490
StatusPUBLIC

Content hashes

Canonical text4321f6f30f718769e823ca7d686fb32997c70a66bf3118f5d7666d884f392d30
Markdown63503ee20fb24b60027a70dae7f25ed5eff1902352eb6cb6d744136204b8085c
PDF
Publication pagef71f0029d25f533682e9c1625f256c8f19f87263bbfe7d0856c726eee24cba07
Manifest410ccc3595608f64f12177f63e52bdd65b01f202f3f151ede4dd565242356dd6

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
SignatureZIqe1FXBDbsF3kwCL1F3cWV8BC0uu34EhNzyuFUC8VP0tRQSYmEkfyF6qArWrHhNxxJbcjXiB8XRVAfUF5j2BA==
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

2026-09-17T12:02:38.450275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017490
observed f71f0029d25f533682e9c1625f256c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.430561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017490/manifest.json
observed 410ccc3595608f64f12177f63e52bdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.411365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017490/publication.md
observed 63503ee20fb24b60027a70dae7f25ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.393105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017490/publication.txt
observed 4321f6f30f718769e823ca7d686fb329...
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.