OpenTechnical

OT-2026-000026394

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000026394) never changes.

Identity and time

Publication numberOT-2026-000026394 · never reused
Internal UUID01a0ae71-f4a7-71bc-ae09-2df7c9c634b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026394
StatusPUBLIC

Content hashes

Canonical textf6d571f0e39d9f39f67d294ec90edd34c2896ffd6911b0599a3fa887229ae632
Markdown97eef2f7980cb04002eaa6fff932e781d2843e7ebf779254b6a1eda319cfb5da
PDF
Publication page046d487da371df0502f64bc2a9282dffdc6d09fb91b2245a9cf5273968c536c1
Manifest962b6e3da59af9214a0427970a2d80abffe9a7d803ade40aa93ffd2466c841e1

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
Signature1bH0vhwZHwD6kz7FKUK218wyWwtciOnZ10NBuEtq0u0/fmgC5xwXvEmbKDr+QfMTR43+6/QVa3OYvbmeXdJbCw==
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

2026-09-17T11:44:22.658227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026394
observed 046d487da371df0502f64bc2a9282dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.642474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026394/manifest.json
observed 962b6e3da59af9214a0427970a2d80ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.626804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026394/publication.md
observed 97eef2f7980cb04002eaa6fff932e781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.609899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026394/publication.txt
observed f6d571f0e39d9f39f67d294ec90edd34...
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.