OpenTechnical

OT-2026-000012848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000012848) never changes.

Identity and time

Publication numberOT-2026-000012848 · never reused
Internal UUID01a0ae6d-5563-7546-8c17-81146c93e53b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012848
StatusPUBLIC

Content hashes

Canonical texte9ce8f46256f45f82ef24c17374a9e2e5d8e22aabf05871c12aa29784167dc6e
Markdown035e301e433812438285ce613277b48153a57b11341c83dcac130d9954e8424b
PDF
Publication page30e5984480463b13a78765048cbfd0f7d2fe320905f5690259e80b41d165b617
Manifest7ee659c8cbc1201d95986d13016683b9be0b69be34a4cc8167cf7e79ac90a587

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
SignatureSmH2qdHfm9rjYvhpcQ/SDU/k0Pkg6YLvDI6Z1jG9PXcigR3hPLZqMRJnJogMrdqEyX0RVwfrZRD0SoMexbwVDg==
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

2026-09-17T12:10:37.563231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012848
observed 30e5984480463b13a78765048cbfd0f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.543579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012848/manifest.json
observed 7ee659c8cbc1201d95986d13016683b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.524782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012848/publication.md
observed 035e301e433812438285ce613277b481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.504575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012848/publication.txt
observed e9ce8f46256f45f82ef24c17374a9e2e...
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.