OpenTechnical

OT-2026-000032245

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000032245) never changes.

Identity and time

Publication numberOT-2026-000032245 · never reused
Internal UUID01a0ae74-f7a7-7996-98fd-5e1eb42da78c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032245
StatusPUBLIC

Content hashes

Canonical text8bb04189b1faf0d902bf89c7a172691b5efc525ee9a662daab0b145ef12e4eee
Markdown7f84642e6a67164b55f5f913631eed20a0ec5be93c188a5d443851efc9a4029f
PDF
Publication page922d2b5b5809de32419c3f03cc5093f31289db7bd0e2dca8f2b59c44c4b86ba9
Manifest0216eb044b760e15567e571bcc79536f231308dcc1edf60353e0f647f1d80a44

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
SignaturepX9Sd3DKAyyxVqD31dd176wWN7JnDeg14K5kYpggQLZsGphIl+p7r+0mlZ45UQ1Z4ID7+IYgDTRESeSRNHlzBQ==
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

2026-09-17T11:34:36.070357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032245
observed 922d2b5b5809de32419c3f03cc5093f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.051311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032245/manifest.json
observed 0216eb044b760e15567e571bcc79536f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.033739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032245/publication.md
observed 7f84642e6a67164b55f5f913631eed20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.015504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032245/publication.txt
observed 8bb04189b1faf0d902bf89c7a172691b...
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.