OpenTechnical

OT-2026-000066550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000066550) never changes.

Identity and time

Publication numberOT-2026-000066550 · never reused
Internal UUID01a0ae8e-ce41-7d72-a932-857a998f2cbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066550
StatusPUBLIC

Content hashes

Canonical textb03cb59633f199385c01850f4c6a824ea7287cdfad221e68a37bc5a1f572a290
Markdowne6e38caa6864995227363e78f9a5b7700a081307be3a0c4d38f35eb8895be227
PDF
Publication page5d7f5159a66b54e12b2c3e4543a04ba70a627736f6a0dace306d572b70ebb7e4
Manifestb6b3a6b0dc26de7d13b95f8cb3f3b5ba043e5ef1249552db344dd42355f4b058

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
SignatureO9mhpPivGbXX2MM6qNyLzq5f/zSSjmZ9EC4J+aUmgpqb7ivK0pWno/nKzh2eoJO/pMX39DJBgA4ayHzn1O6TDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:49.102620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066550
observed 5d7f5159a66b54e12b2c3e4543a04ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.086537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066550/manifest.json
observed b6b3a6b0dc26de7d13b95f8cb3f3b5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.068516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066550/publication.md
observed e6e38caa6864995227363e78f9a5b770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.051957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066550/publication.txt
observed b03cb59633f199385c01850f4c6a824e...
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.