OpenTechnical

OT-2026-000086758

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000086758) never changes.

Identity and time

Publication numberOT-2026-000086758 · never reused
Internal UUID01a0ae9a-80a4-72e3-8f49-f3232f48ed64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086758
StatusPUBLIC

Content hashes

Canonical text26794ab150284489631df990a36b709a3367d363c82c2dbe2fe15b8f4e04ca09
Markdownfb7fa9958fb94dfadde2c49a227b33e1faf0105044dbe9ab5eb7bcdfe6e4b52c
PDF
Publication pagef3fcb15d6e7b5c9f1d12622ad1ac743d1a0c31fd067fc82980f837e0798fe63a
Manifest5e70af07d28c6e136ac65ff1b30a1e8ff4d7951b348c75ed7829d79e13903f99

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
Signature+Uqb+SvHdv9+4xkgU+e5RmNuwUJTGHNn3FpHfQjH1AJ30OxNz0nv6VarPWQTjmlhmK1gizGp1YY50KofpWxLAQ==
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

2026-09-17T09:51:33.610802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086758
observed f3fcb15d6e7b5c9f1d12622ad1ac743d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.593927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086758/manifest.json
observed 5e70af07d28c6e136ac65ff1b30a1e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.577738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086758/publication.md
observed fb7fa9958fb94dfadde2c49a227b33e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.560198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086758/publication.txt
observed 26794ab150284489631df990a36b709a...
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.