OpenTechnical

OT-2026-000088659

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000088659) never changes.

Identity and time

Publication numberOT-2026-000088659 · never reused
Internal UUID01a0ae9b-8f0f-7bad-87b4-d3c3a0e8d2a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088659
StatusPUBLIC

Content hashes

Canonical textf2fdff0c28b4df8b94327664bf82cef7b13befc3718e2d38f650803486334c21
Markdown1a5a547221abd13c7e8e8885adf83e64101d8cfb3cee6cd0fa4e3cd1989d9443
PDF
Publication page7d8694a26cd189525a7762a48e00f9da9950e111c0add4d480cb7b1f38cc4da7
Manifest346f003fd3d64ff42be883c49b620eff5bf3e547e5f708c70d7cdc76d0442639

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
SignaturejupMPsMmvA/Z57GRWzx+chO54R2Vl3rAihtC2zmCYpQdUMDzlp3wM5TTOf/IY0vfZt07g9SyQGt/FmKJi520Ag==
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

2026-09-17T09:47:53.136691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088659
observed 7d8694a26cd189525a7762a48e00f9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.118121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088659/manifest.json
observed 346f003fd3d64ff42be883c49b620eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.098632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088659/publication.md
observed 1a5a547221abd13c7e8e8885adf83e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.078847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088659/publication.txt
observed f2fdff0c28b4df8b94327664bf82cef7...
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.