OpenTechnical

OT-2026-000034972

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000034972) never changes.

Identity and time

Publication numberOT-2026-000034972 · never reused
Internal UUID01a0ae76-6a1b-7265-a24f-7c3c9970244c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034972
StatusPUBLIC

Content hashes

Canonical textbad6325b41b2a76e8c0cbf090e13873ee0e5000bb542dd5b75a440e68a6ffe4f
Markdown6324e812ad1a511ae39423f9b57a76e8aba39363e1d0e8080ad69860568bbd8a
PDF
Publication page1e6ef0bb763520683af654010d84fae948f96e5624d51703325b3519db8618b5
Manifest97c8131dfb48782735fbcde761d559fe3bdb2a7f6f49811b3b1c8a306dbcfb86

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
SignatureRfB/uzjwA4YfmZM13gUcOX0MKFgma6uXsXjwDRAoHntXMCFmF0KG0yIWUIlOAxbjTNNMhBeFoow2qIP6vMq6BQ==
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

2026-09-17T11:27:54.134331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034972
observed 1e6ef0bb763520683af654010d84fae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.116504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034972/manifest.json
observed 97c8131dfb48782735fbcde761d559fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.100110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034972/publication.md
observed 6324e812ad1a511ae39423f9b57a76e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.083734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034972/publication.txt
observed bad6325b41b2a76e8c0cbf090e13873e...
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.