OpenTechnical

OT-2026-000012836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000012836) never changes.

Identity and time

Publication numberOT-2026-000012836 · never reused
Internal UUID01a0ae6d-5563-7ad6-b140-b003d4366af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012836
StatusPUBLIC

Content hashes

Canonical text3bb213c46f0bd00d844929d069d0560a8bdc94419f687de9e1dc58920ee5a7e7
Markdowneb374ac8c9ed55a1f7f4512bb7bed83b64d4b9fc8b3fb2fee1a9ae34006d806d
PDF
Publication page2cca31546667e5474431a33662cf1d32ddc8f90d002a942fb56b42ef80812088
Manifest2296e4648c1b513c655f8aa8b861f55118eb73ca56e536de8029dabc516dd2a5

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
SignatureTt6bSpUpqkqB7cTpefSmnj1J3zKsoKG3/k8klO0TrUr8PqE3UMNsgIznXap0pRBf66ZdT2OcCw2ATxkyAf66Cg==
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

2026-09-17T12:10:36.064407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012836
observed 2cca31546667e5474431a33662cf1d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.039782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012836/manifest.json
observed 2296e4648c1b513c655f8aa8b861f551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.020974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012836/publication.md
observed eb374ac8c9ed55a1f7f4512bb7bed83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.004494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012836/publication.txt
observed 3bb213c46f0bd00d844929d069d0560a...
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.