OpenTechnical

OT-2026-000084448

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000084448) never changes.

Identity and time

Publication numberOT-2026-000084448 · never reused
Internal UUID01a0ae98-5b63-7cf8-9207-ba0c2398d422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084448
StatusPUBLIC

Content hashes

Canonical textbf3ed686cba428011f21f6b17a64943da631eb537d09733f9a0bfe76d6be9458
Markdown729be8db8bff4c0846991daae89d425e7352a33ff55a1959cf09e63be67782fe
PDF
Publication page9caf74f1d5645a6cf443ced593acb5b824068f3d5dca3452913344914144524c
Manifest2cf7dcdb49dee0cc17842dd129a5c46d0a68a88e364460f1078d2a46d37f0f5a

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
SignaturewP6pFqJO2FwvBAwMY1qsIQOVegsZpHnnYt48KwvEaL0fg0terukFxuZEe3DjXSIM/puHB/jljnGnHTdQhAMyCQ==
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

2026-09-17T09:56:24.398789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084448
observed 9caf74f1d5645a6cf443ced593acb5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.382837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084448/manifest.json
observed 2cf7dcdb49dee0cc17842dd129a5c46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.365662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084448/publication.md
observed 729be8db8bff4c0846991daae89d425e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.348695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084448/publication.txt
observed bf3ed686cba428011f21f6b17a64943d...
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.