OpenTechnical

OT-2026-000039384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000039384) never changes.

Identity and time

Publication numberOT-2026-000039384 · never reused
Internal UUID01a0ae78-9675-7403-9a43-08435532c6cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039384
StatusPUBLIC

Content hashes

Canonical textdab6a96ecffb8a958f5b2392b689dd60423653b0cffa9c44e4c5b997f361e846
Markdown0466b62cf782ac5480cbc5668ff7249a80cf6e6d6efc537185fc29c932d004b7
PDF
Publication page56ff30fd0121b0f78a79c11b3ac4c9b914298d8e86ba4ed66bd141affc931a79
Manifest66608ea2413855df4c6e082a4c0b92817b475d955b6f27b44c195c9c9b41f45e

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
SignatureOp2HVJqoDKA/MS3UmPd06jOI27+xYcgUVBwQmRTE39sTtUMBo2uuBsTvUsbZW894EqZo2dczASdswKSdCCURDw==
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

2026-09-17T11:20:59.672068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039384
observed 56ff30fd0121b0f78a79c11b3ac4c9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.655969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039384/manifest.json
observed 66608ea2413855df4c6e082a4c0b9281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.637447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039384/publication.md
observed 0466b62cf782ac5480cbc5668ff7249a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:59.617913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039384/publication.txt
observed dab6a96ecffb8a958f5b2392b689dd60...
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.