OpenTechnical

OT-2026-000025477

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025477) never changes.

Identity and time

Publication numberOT-2026-000025477 · never reused
Internal UUID01a0ae71-5fa8-7c4e-a0df-1ae43535883d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025477
StatusPUBLIC

Content hashes

Canonical text36afc50b483641e38dae79a3e99ae39b0a9e00a5d7432d7d28297e98163adf14
Markdowncb194e73d00552163f93be5701a19b86f5ca7f8423790b3925a64aab32b24b12
PDF
Publication pagebc8ceda0e80f80ee73290f259ddd00022af6f09fa7760bd66f88ff255b7f953d
Manifestb07a5506430c3d723c115557de08a8ed31e2334c95950e589de71c9a26f0999e

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
SignatureMsN9u1E5xOzOhNgidcxg+zNWYDH7CAs1SCN23lKJCv389BoXxY0kSPaWeYJzYN2Z4kI7V9njeYnuPWcqaj8bDA==
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

2026-09-17T11:47:34.039594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025477
observed bc8ceda0e80f80ee73290f259ddd0002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.022289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025477/manifest.json
observed b07a5506430c3d723c115557de08a8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.006393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025477/publication.md
observed cb194e73d00552163f93be5701a19b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.990310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025477/publication.txt
observed 36afc50b483641e38dae79a3e99ae39b...
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.