OpenTechnical

OT-2026-000032949

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032949) never changes.

Identity and time

Publication numberOT-2026-000032949 · never reused
Internal UUID01a0ae75-4843-7f4b-9be0-4a1be4fae1a2 · 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-2026-000032949
StatusPUBLIC

Content hashes

Canonical textf8770ff76eb29c88f0060857fe5c9db96f2c293d3f2f4c5cba7cfd07b22b67a4
Markdown4b951a2067761f340736a2793598d833344af3b2b09943f09f532d4255c8ed17
PDF
Publication page5bb6d887fbe39acdb103673aa829938a7303357c70ad2913b0949db76ca59e9a
Manifest612afefc0d9709e071ce161b4cff056a20d84443af77b4739561009f786aaf0a

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
Signatureu049vJ0oCOR3uNHWrKblW1SHRrDRI45VIMLy4jI3bfiQQA4e5P44gZtMO4kf8ModeayoYRCP62ZadfXYtFUlCA==
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

2026-09-17T11:32:33.160050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032949
observed 5bb6d887fbe39acdb103673aa829938a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.142611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032949/manifest.json
observed 612afefc0d9709e071ce161b4cff056a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.124301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032949/publication.md
observed 4b951a2067761f340736a2793598d833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.102170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032949/publication.txt
observed f8770ff76eb29c88f0060857fe5c9db9...
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.