OpenTechnical

OT-2026-000066557

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000066557) never changes.

Identity and time

Publication numberOT-2026-000066557 · never reused
Internal UUID01a0ae8e-ce41-71aa-8455-9f339cb079ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066557
StatusPUBLIC

Content hashes

Canonical text5098702e5d0801bf111aabc003529fb51613728fc4b40daa64357088bb00e7bf
Markdowndcb60aa6bc8afd096bc4c38c75ab5466825767fe36eec6389a808c7f5bf5c127
PDF
Publication page4474381c6ecf79d550508a00c8f82bee59e6b37470c656fd11bd8340c161d4b7
Manifestaf30fbbdf9d76cde730d2075c3aed7c8b5f48f80ad6187c9874e562a5ec0160c

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
Signatures7l6swCTGpThQNmP/tBtLevUV62WzkNkYg5WfpfN3foc1m9GBsCm+0MbB2EEEshWnbv5UNI+c3CGxhXeLIKPAw==
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

2026-09-17T10:32:49.585259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066557
observed 4474381c6ecf79d550508a00c8f82bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.568305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066557/manifest.json
observed af30fbbdf9d76cde730d2075c3aed7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.552789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066557/publication.md
observed dcb60aa6bc8afd096bc4c38c75ab5466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.536793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066557/publication.txt
observed 5098702e5d0801bf111aabc003529fb5...
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.