OpenTechnical

OT-2026-000084972

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000084972) never changes.

Identity and time

Publication numberOT-2026-000084972 · never reused
Internal UUID01a0ae99-43b7-7065-86a8-e1d3041be46e · 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-2026-000084972
StatusPUBLIC

Content hashes

Canonical text250af4e3865563d5b06f505d9f03320c51435cd248e00a5d7deb1f07855996d9
Markdown424e9e95ffcfd9d0a128dd03f811f67af6c210d5723270e84e5796aebaf1762b
PDF
Publication page8d220c8aa38bfd9c8c9aafdc3b98b21ceb8c8a503b0ecf1f6342a49e8fe0f444
Manifest8b7d6ea95c0cd5957c7feb2230d987d21359d9824f9ab65bc608f99921d6c676

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
Signaturec3kfodYyEH6frkuu+td1Zejmj/KW2MWeaKwr1UkiAAFPAlLrB7fDLqzoeO3g1TJNKqBybA94MV+nf+JmuLIyDQ==
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

2026-09-17T09:54:58.290777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084972
observed 8d220c8aa38bfd9c8c9aafdc3b98b21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.272830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084972/manifest.json
observed 8b7d6ea95c0cd5957c7feb2230d987d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.255365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084972/publication.md
observed 424e9e95ffcfd9d0a128dd03f811f67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.237665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084972/publication.txt
observed 250af4e3865563d5b06f505d9f03320c...
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.