OpenTechnical

OT-2026-000017442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000017442) never changes.

Identity and time

Publication numberOT-2026-000017442 · never reused
Internal UUID01a0ae6e-76c9-757d-bf05-a1eff4462410 · 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-2026-000017442
StatusPUBLIC

Content hashes

Canonical text0ed6f504bfd14cb645aff2cc977ccdfc2ac963c83b9ded96be435309ba523908
Markdownc5b3865731e5cf909621a5c39c4de4c54c62062df295286137f3a3eb459e1c8e
PDF
Publication page447ecb6553d9be6828fc61cc0c84baf3390bfcabdfc77330c475b0013accba69
Manifest50d08678cd0f464c4db8193247695ddca76030f8225eb42f808f619be7f7bf84

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
Signatures5ph5Ys3EpsS4uBzXZHrmPdAbSjA5i5U1hMA6C8rsJZOrOtr98hitA7vEjneI5ZdtO8CfUyjeE+Kkk1zo+V3Bw==
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

2026-09-17T12:02:34.611660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017442
observed 447ecb6553d9be6828fc61cc0c84baf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.595602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017442/manifest.json
observed 50d08678cd0f464c4db8193247695ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.579426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017442/publication.md
observed c5b3865731e5cf909621a5c39c4de4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.549028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017442/publication.txt
observed 0ed6f504bfd14cb645aff2cc977ccdfc...
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.