OpenTechnical

OT-2026-000020889

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020889) never changes.

Identity and time

Publication numberOT-2026-000020889 · never reused
Internal UUID01a0ae6f-65e3-795c-9e99-3bdde9834cf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020889
StatusPUBLIC

Content hashes

Canonical text32eebfaa6095192fb8575bac389703a16a35b38add535adc1b7840f7d8424575
Markdownfb309324e3ad90d807e0a4becaa4eca2c7de4a306def4e1efb5911457fe7cba3
PDF
Publication pagea6bb3fd06f81aa501e1843ba2e21a94e91fcc5bfcd075a38df88b50e0c932ffc
Manifest1194975f0bd0e8b545cec29ab9d4a1bac1d1a8b862dfe6c00f8beffa32d3dbbc

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
Signaturej6URIGv4LSCR0Yik179pIB0u8/wpXcyZh9B3HlZxdGksIiXsaoDCFMep0U8WReFn7Cg5dFFo6kmDh+LEgMgMCw==
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

2026-09-17T11:56:00.094023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020889
observed a6bb3fd06f81aa501e1843ba2e21a94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.074973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020889/manifest.json
observed 1194975f0bd0e8b545cec29ab9d4a1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.057992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020889/publication.md
observed fb309324e3ad90d807e0a4becaa4eca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:00.040337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020889/publication.txt
observed 32eebfaa6095192fb8575bac389703a1...
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.