OpenTechnical

OT-2026-000085204

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000085204) never changes.

Identity and time

Publication numberOT-2026-000085204 · never reused
Internal UUID01a0ae99-43ba-7efb-967c-3e0d0079abf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085204
StatusPUBLIC

Content hashes

Canonical text137d4b906811937582baab94e54621f8b6782155028c5fde87f8ea7cb2c39ab0
Markdownbbcbec20cb91e3dee9768b671b86c18ac33e8fd42d87b97a5004eca43bf03db6
PDF
Publication page8d8a9163a7b0edf74f50345087f50dc1ce48f50c26c6ab4d2df5a7efa0bbb4de
Manifestb93dc5cefb43273db7c2a6e11437c7bd7797be46e19fe5060375930e99580496

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
Signature8azLBDYO/R3TuJGEFggKTglloJGGm4fK/zXWsLuaQFb5mgyLlCvckcpm3SiUJ9xvFmqX6WnDkwXCh6XnlOxKBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:17.750759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085204
observed 8d8a9163a7b0edf74f50345087f50dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.733297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085204/manifest.json
observed b93dc5cefb43273db7c2a6e11437c7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.716652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085204/publication.md
observed bbcbec20cb91e3dee9768b671b86c18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.699198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085204/publication.txt
observed 137d4b906811937582baab94e54621f8...
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.