OpenTechnical

OT-2026-000023946

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023946) never changes.

Identity and time

Publication numberOT-2026-000023946 · never reused
Internal UUID01a0ae70-aed6-7fb6-9e55-15c87113adc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023946
StatusPUBLIC

Content hashes

Canonical text9c2a267ada13213428fb96de73236a7c3a79f43427615b5607106e5290f77638
Markdown64235a52010ee07985fc42e82a075a2473e033c91fc88312cc11e4fc513b7c52
PDF
Publication page27133ab7ae86c3b371106ea103b68b5dc7a359d77761fe0f3bdf8cf5e35f930a
Manifest34f9808d095efbb36ca41edbbe1b4fc6840e5ac5bcfb1aea84a3c2be791b4eb2

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
SignatureG0FVWHzwcaO/e/QrpUx07Gjw3NBujxkUx1A6LyGZxkOcSXxtuXpbAEfK5P/e2chbqTRcODjqfNwgeHRGsEubDQ==
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

2026-09-17T11:50:41.073575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023946
observed 27133ab7ae86c3b371106ea103b68b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.016145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023946/manifest.json
observed 34f9808d095efbb36ca41edbbe1b4fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:40.964348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023946/publication.md
observed 64235a52010ee07985fc42e82a075a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:40.942037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023946/publication.txt
observed 9c2a267ada13213428fb96de73236a7c...
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.