OpenTechnical

OT-2026-000039051

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000039051) never changes.

Identity and time

Publication numberOT-2026-000039051 · never reused
Internal UUID01a0ae78-9672-793c-bec7-363cabdc9982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039051
StatusPUBLIC

Content hashes

Canonical texta7ddb4d73e3f4c292129e7e9015cde8e630ad86bfd69e5ca15c5f048969e136c
Markdown2b7d0e5b30f2c522c79b47c3474da86d1ed2ff38d84eb551aff0ca74797f8e12
PDF
Publication paged0ec2183d0ff63a6b2ec2794de158dd1b8e0d494883064da222b4f458b608069
Manifestf24967e42cda49c6b8a9283c115b0ba59063fa82583ff4132b5514c25bc5d995

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
Signature+QCdkuMtVmvINjhd/cvDC1zOQT+H3T7T+HBz391Ml15EKsWsM4vnLwlRJNTd1+ruhY5MOAU2M8mnJpRKY3AiBg==
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

2026-09-17T11:20:24.593367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039051
observed d0ec2183d0ff63a6b2ec2794de158dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.576933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039051/manifest.json
observed f24967e42cda49c6b8a9283c115b0ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.558448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039051/publication.md
observed 2b7d0e5b30f2c522c79b47c3474da86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.538367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039051/publication.txt
observed a7ddb4d73e3f4c292129e7e9015cde8e...
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.