OpenTechnical

OT-2026-000012733

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000012733) never changes.

Identity and time

Publication numberOT-2026-000012733 · never reused
Internal UUID01a0ae6d-5562-7fc2-941c-1670ff3509fe · 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-2026-000012733
StatusPUBLIC

Content hashes

Canonical texte8a06513f947b0dac9301a7a84047ea2f5604e7247cb9f724e4daa4f025152b9
Markdownbcdedb71222feb514999689939cb75aa695b385b196575ee032fa3d2c9fec326
PDF
Publication pageb4bf3c31c8487dc2a6c726a1d9eb5945ca049272b5482e238ee0a423343eee91
Manifestafbbb9acd8dd8836b4f7ad6a2100b7f9fed3cf2e85aae942d74a2919312085fb

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
SignatureGgpQwJYuNdF6RY41GF/HoBKMsBXnUYBiv62j2J2WAF+bmzz1A7+CwMuQ2/CrwVGJnNfKBXnQABlnIfDkR4dOAg==
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

2026-09-17T12:10:25.475903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012733
observed b4bf3c31c8487dc2a6c726a1d9eb5945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.452567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012733/manifest.json
observed afbbb9acd8dd8836b4f7ad6a2100b7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.428961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012733/publication.md
observed bcdedb71222feb514999689939cb75aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.409326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012733/publication.txt
observed e8a06513f947b0dac9301a7a84047ea2...
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.