OpenTechnical

OT-2026-000033104

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000033104) never changes.

Identity and time

Publication numberOT-2026-000033104 · never reused
Internal UUID01a0ae75-4844-7daa-a4c3-3d44b6dc8361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033104
StatusPUBLIC

Content hashes

Canonical text8ffa8fc161862a02fbc1aa91716cde903377349986c007aaee085152ebc6ecfd
Markdownd4a314d4fefd34f2f82d841446948f92f3f64f8b8760286144b25c5517814ce4
PDF
Publication page5fd3165090ebfe6a69bf016dae6cb09c19a9de2c51d03d1b6f70eeccd2789bee
Manifest8a1a1368105e245113ec0cff8fb81de2d12c66d6d9aa612dde24f029a32c45ae

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
Signature21HHVLcRPolfx5IVgjkgMqJGpTEMXsO5jUiuZ6XbeB1S97EE8d9kFY1buErQIxpni42I0ce9RAUdTlprfXrRCQ==
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

2026-09-17T11:32:45.430633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033104
observed 5fd3165090ebfe6a69bf016dae6cb09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.413702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033104/manifest.json
observed 8a1a1368105e245113ec0cff8fb81de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.398010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033104/publication.md
observed d4a314d4fefd34f2f82d841446948f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.380835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033104/publication.txt
observed 8ffa8fc161862a02fbc1aa91716cde90...
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.