OpenTechnical

OT-2026-000013974

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000013974) never changes.

Identity and time

Publication numberOT-2026-000013974 · never reused
Internal UUID01a0ae6d-8dea-7a8c-a44a-d669517235a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013974
StatusPUBLIC

Content hashes

Canonical text3c01b9dafd8b5e2ec7d24ff3348a09340701a62fefcd05b36eadead8503d9ce0
Markdown98df3f7416da7f435b4af5089e9d5926f441a470ecde700e581e7676c3fc82c8
PDF
Publication pagee5f78154cf3ea68713f9d7a83b35311f661c57197040b9013761c10c32a8cf0d
Manifest2e6de06d59dfbc1beb346cc8cd80f88efd7bb4aae4aaa2d9a6398aae979787c0

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
SignatureFkFswRr9qXjCnQx6LUOEGvOExyM9eZLfb3ee+1sFg0QwXY1d6r8wjchPx/dzF/VQHK7LZsRxM4J/vyqIdiWEDw==
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

2026-09-17T12:09:11.123697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013974
observed e5f78154cf3ea68713f9d7a83b35311f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.103274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013974/manifest.json
observed 2e6de06d59dfbc1beb346cc8cd80f88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.084477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013974/publication.md
observed 98df3f7416da7f435b4af5089e9d5926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.066667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013974/publication.txt
observed 3c01b9dafd8b5e2ec7d24ff3348a0934...
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.