OpenTechnical

OT-2026-000022424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000022424) never changes.

Identity and time

Publication numberOT-2026-000022424 · never reused
Internal UUID01a0ae6f-f4fd-7fc3-a71a-6d22e66fef6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022424
StatusPUBLIC

Content hashes

Canonical textf648da40b915e8bc0da91dbbb769af79d44e006a495d1b854316f95cb4bea6a5
Markdown4e6638798b69c06e26c8dd6074e49ea2898cad03d71d1a465d44e70895d02f98
PDF
Publication page4e45e98a99fdbc206a5156fd39f3034ca02e6ef83485135c54a58392ef0ca4ed
Manifest2a2e55998c980210a200eca18bab13ff8f6ef556cbe9d68a182565626b65156f

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
SignaturecQYCyWYEnj/RkzO3mvh4fyQRe+M7TPEb70TGEchDxAFM3LIpGDDvkrjS2ZM2A68SAjQ2j4uf4uRwH0kn7tMrCQ==
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

2026-09-17T11:53:48.853704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022424
observed 4e45e98a99fdbc206a5156fd39f3034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.837576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022424/manifest.json
observed 2a2e55998c980210a200eca18bab13ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.818835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022424/publication.md
observed 4e6638798b69c06e26c8dd6074e49ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.800280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022424/publication.txt
observed f648da40b915e8bc0da91dbbb769af79...
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.