OpenTechnical

OT-2026-000030683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000030683) never changes.

Identity and time

Publication numberOT-2026-000030683 · never reused
Internal UUID01a0ae74-3fb3-74a9-96f8-f5314df6a35e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030683
StatusPUBLIC

Content hashes

Canonical text904716c738183474d542a92dcd67411c99a53bb5954768928dae78bae4dc24e2
Markdown099ca77d388c9abf76857666c056faff190657d9f4afaa566ac90ae8fb10f6d4
PDF
Publication page9e07c1a0730dfbb276392c95d7ffca7629e8034d1d3c4bfb12e7fc9eba643adc
Manifestd28c7c5e303610696d1cd41dcc5c286a10bd8444f58a8295e810ab0cbe1666bf

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
SignatureJWMgf5880ZIU4rm/Od18T81rbm6b5tU/pDlN/mo4gvqTukPzqpf38S3TKy7CJqnOSJb6stHKl2iOmInhioqPAA==
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

2026-09-17T11:36:34.739373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030683
observed 9e07c1a0730dfbb276392c95d7ffca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.716766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030683/manifest.json
observed d28c7c5e303610696d1cd41dcc5c286a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.695543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030683/publication.md
observed 099ca77d388c9abf76857666c056faff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.670808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030683/publication.txt
observed 904716c738183474d542a92dcd67411c...
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.