OpenTechnical

OT-2026-000086509

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000086509) never changes.

Identity and time

Publication numberOT-2026-000086509 · never reused
Internal UUID01a0ae9a-2c97-755c-bf52-a455f9379147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086509
StatusPUBLIC

Content hashes

Canonical textc853aee86821566bb9d9368f5c98815c4d7e0f3ddaf7107eeb52aabc69311e36
Markdownbc34a585c4edc034528d09c148eba829f35a1246467ac8c6bd37c7d129bd5a2f
PDF
Publication pagec08540c45fd57258ea1f4ed6bd4e6558c77e2d650f46e32572b856be15767197
Manifeste42aa8c9020beb790d6a1e66862bc777d1a4e18ff2b1d4e7251f490b23848014

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
Signature9jYVxxPq+oWRMWWEbcQHhKUr4Wjoob+WKbqSyWnlVBygk/1pHnFKmG6NvFR47DAnGfD9vjIFlFmLXHupfYllDg==
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

2026-09-17T09:52:19.710828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086509
observed c08540c45fd57258ea1f4ed6bd4e6558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.695617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086509/manifest.json
observed e42aa8c9020beb790d6a1e66862bc777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.679190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086509/publication.md
observed bc34a585c4edc034528d09c148eba829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.662029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086509/publication.txt
observed c853aee86821566bb9d9368f5c98815c...
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.