OpenTechnical

OT-2026-000017403

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000017403) never changes.

Identity and time

Publication numberOT-2026-000017403 · never reused
Internal UUID01a0ae6e-76c9-741d-8f13-ccb4ea7d1a56 · 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-2026-000017403
StatusPUBLIC

Content hashes

Canonical text599f69216b9cc032b7fbb3baa0971c5d8a0a3d8e1e008a9cb1157779af662d0c
Markdowncc42b9f05f2fd755cefb5deaf04714993b2397edb9398ddb7562309ffd1dd0f7
PDF
Publication pagef8b2beb443dbd0e5da547e54e0d7f4593c018975148ebbe5e59c1aa91cef7743
Manifestead5e47b93a484bb505c46d9fb0da41a11e00b503aca20e0e25ac987d8044311

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
Signature8guey0eSUEqeG9RmevZ4xux4XOqpOkeiagHUCzsDzgv44qND3jDUhxBKUMYJVwScgvOWrXEih+OhwdlNIjK9Ag==
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

2026-09-17T12:02:31.826470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017403
observed f8b2beb443dbd0e5da547e54e0d7f459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.808867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017403/manifest.json
observed ead5e47b93a484bb505c46d9fb0da41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.790862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017403/publication.md
observed cc42b9f05f2fd755cefb5deaf0471499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.771697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017403/publication.txt
observed 599f69216b9cc032b7fbb3baa0971c5d...
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.