OpenTechnical

OT-2026-000019380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000019380) never changes.

Identity and time

Publication numberOT-2026-000019380 · never reused
Internal UUID01a0ae6e-f392-7174-aa8d-aea08a29ca40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019380
StatusPUBLIC

Content hashes

Canonical texteb2bf7d400ba7de7a4bbd95c43533e1ba9c81a677787bdace1d9e4ca1acd3a70
Markdown507f89f16af8ff8ddf5cafcac64596048b46a53a617a0bbc3727f795a4130cbf
PDF
Publication page3e4897d6e63100bf492a686f9bf2300ad787e38e7eae6c45726e7259354240ef
Manifeste92251b6223976b0deffd6e0b08a6148e0ea669585c2cc74ecf2fcf5e5659edc

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
SignatureVKVjtKfTUVVIZIeimH3V8SsHXosmbwWsTjTCv9yOdQubMHz8jKG+8i0/z/zAY4yTxcMiclRX0feR0uLriPgXCw==
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

2026-09-17T11:58:45.846925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019380
observed 3e4897d6e63100bf492a686f9bf2300a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.827144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019380/manifest.json
observed e92251b6223976b0deffd6e0b08a6148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.810133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019380/publication.md
observed 507f89f16af8ff8ddf5cafcac6459604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.791130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019380/publication.txt
observed eb2bf7d400ba7de7a4bbd95c43533e1b...
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.