OpenTechnical

OT-2026-000044926

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044926) never changes.

Identity and time

Publication numberOT-2026-000044926 · never reused
Internal UUID01a0ae7c-911c-7184-b1cb-3accf41ca9e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044926
StatusPUBLIC

Content hashes

Canonical text81d44b93f0ed876a66e9f3b141794d08daab6b5972a82a969ec3ecc2bffd9e77
Markdown91d7e58d00a83f159810b88b8265a72b50f39648a034d28d28fd69a73f3f484d
PDF
Publication page37081c4de8d55edcb2eb39d2cc683c6e8a9329bd2d122c8493168c1789d2a120
Manifest1d98e2c0b103385d990626563aaf9eb3dfdc4bb2b1efe9b55edefda0d1d7f9fb

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
SignatureoTJt/GoEBIENFzKu48/WVd3tgBgQhnf5qUECntbrx3ihqhwHut5/muPzSFjyRF7m5HO9J3vo6YnGjN8f5DeMBw==
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

2026-09-17T11:11:35.970683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044926
observed 37081c4de8d55edcb2eb39d2cc683c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.953627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044926/manifest.json
observed 1d98e2c0b103385d990626563aaf9eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.935022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044926/publication.md
observed 91d7e58d00a83f159810b88b8265a72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.917103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044926/publication.txt
observed 81d44b93f0ed876a66e9f3b141794d08...
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.