OpenTechnical

OT-2026-000039753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000039753) never changes.

Identity and time

Publication numberOT-2026-000039753 · never reused
Internal UUID01a0ae78-d8d5-7e81-a049-2c6d7af91698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039753
StatusPUBLIC

Content hashes

Canonical text86e3ad3033e9257e8686cf3e4edea1ea98052af7cafa0acba8220b5dc0f53f81
Markdown55a854c847f641a2ed5e182fd8d99d681b7e0b40447255f4045a234d007ce8f9
PDF
Publication pagea21afdeddb56ff1ddbe45ec10a83bc49113123c85b935895406a16c1c03cb7ed
Manifest5bfbffded7ea4b1418b5dcdf5e65f0d9a6e53d7c37fcca73fb0060dcc000472e

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
SignatureZwum/jyaubT7KhFmnJyIytEeEKn/zAkvYQnXysPvgW5L5BASC3ESs5CN9BpGIHydV2zJ4i5Ldg+IYAboEhwvDA==
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

2026-09-17T11:19:58.245216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039753
observed a21afdeddb56ff1ddbe45ec10a83bc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.226055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039753/manifest.json
observed 5bfbffded7ea4b1418b5dcdf5e65f0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.209368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039753/publication.md
observed 55a854c847f641a2ed5e182fd8d99d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.189646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039753/publication.txt
observed 86e3ad3033e9257e8686cf3e4edea1ea...
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.