OpenTechnical

OT-2026-000025776

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000025776) never changes.

Identity and time

Publication numberOT-2026-000025776 · never reused
Internal UUID01a0ae71-a83d-755d-ae64-3c30814cbbf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025776
StatusPUBLIC

Content hashes

Canonical textdf50cd2bb55fd49a1dfa8ab2a0f0e06bf721f4e8becaffeac7e0751b6659e52d
Markdown7f65b9e363bee56cfba4f12e4b8a73aa76f8ff533097cbcfd25570ed014b661f
PDF
Publication pagea3c2e8d9def6657b94a9c9f9d94c81600608254374d6eb347e9addf4e21f3411
Manifestdff1362cb165fe388041625c1162c884c938c0969576a3222d0c1b04c10070e4

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
Signaturevd7X9vhhyNMFT2EI2Pg4K0BFx7batZRoovAjKKOUEGdE2K6lgi8LTMOA42/U0Bix8OcSFsiUAcl9tzuq2hbHDA==
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

2026-09-17T11:45:58.627578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025776
observed a3c2e8d9def6657b94a9c9f9d94c8160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.602600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025776/manifest.json
observed dff1362cb165fe388041625c1162c884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.583624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025776/publication.md
observed 7f65b9e363bee56cfba4f12e4b8a73aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.566135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025776/publication.txt
observed df50cd2bb55fd49a1dfa8ab2a0f0e06b...
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.