OpenTechnical

OT-2026-000033568

Publication integrity record

Three bellows cup 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-2026-000033568) never changes.

Identity and time

Publication numberOT-2026-000033568 · never reused
Internal UUID01a0ae75-a38f-710d-bdbb-ccc96d596573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033568
StatusPUBLIC

Content hashes

Canonical textcb5e02fcb5de46c49b21a4754456bf22756cd893af9afc59dfc87b87e760f6a2
Markdownc5cf3c0462d3aa29ae77021b3d617e827b1b4e72f0023f3d8817d0d6f28ec980
PDF
Publication pagec46b483f3c65d8487e8b76d9a95d52b79850a01cfbfdefeb109b5a5d51b9971e
Manifest3992205e7ceb0545d4e640154b4a8914d986a53f237e1fd9342838563684c59e

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
SignatureusHJ5Y08gxprTJ2Kil+0zBLrHVRv61A+IaQub/5L6WrI1fIpCEOyeG05yHLxL4X8TMW4kEXh/yiN7bOcX6a/BA==
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

2026-09-17T11:31:26.279609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033568
observed c46b483f3c65d8487e8b76d9a95d52b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.262710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033568/manifest.json
observed 3992205e7ceb0545d4e640154b4a8914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.243412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033568/publication.md
observed c5cf3c0462d3aa29ae77021b3d617e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.226741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033568/publication.txt
observed cb5e02fcb5de46c49b21a4754456bf22...
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.