OpenTechnical

OT-2026-000049181

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049181) never changes.

Identity and time

Publication numberOT-2026-000049181 · never reused
Internal UUID01a0ae81-134e-7aa2-92cf-7e8b8c45a7ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049181
StatusPUBLIC

Content hashes

Canonical texta8c49d7a45f6ee225b8e534e1e2ca1944d0672ce658a89796e2beb3afd0075d5
Markdown3b03033cd85e463bb4cad402e631755b46bfc427b590d0d3eee62a818946c8b9
PDF
Publication pagec9247ac3bdeeb32629138aed32b7dad22be8211b9e431f170bb424d6f7d1e100
Manifestf1ebd4ff79d9f5e036aa2536a87fa197458517608dfe456e1a62a02a8594044f

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
SignatureNCp8EaTrfVtHzDMocil1UXvJ9WBiQUWdpt8dMlOS3Lc2SHE6+mYWsGsyNDXXASv7Tl0wEYEMUAhzLCrMMFOVAA==
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

2026-09-17T11:03:59.219251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049181
observed c9247ac3bdeeb32629138aed32b7dad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.201353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049181/manifest.json
observed f1ebd4ff79d9f5e036aa2536a87fa197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.183745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049181/publication.md
observed 3b03033cd85e463bb4cad402e631755b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.163948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049181/publication.txt
observed a8c49d7a45f6ee225b8e534e1e2ca194...
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.