OpenTechnical

OT-2026-000080681

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000080681) never changes.

Identity and time

Publication numberOT-2026-000080681 · never reused
Internal UUID01a0ae96-b973-7b1a-8607-36f7328a2a37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080681
StatusPUBLIC

Content hashes

Canonical textaed9dee62a11d254966936dabbda71a58a0a06f28a9bd813480ae006213f51cf
Markdownfe31549d27e6ede6a1a8315babb79f2a6517fc97d21ccced7bdb69b1ada43ec9
PDF
Publication page37293babf10b90d01bc43007957bf708b3b5f97337aa87da64d8689f43f0badf
Manifest02b778dbbbfdbc58c2f0fca0f0bf87a9da387df4c7dbeeb005b7dfb9eeddf0f0

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
SignaturejjJR4MQhtL89BN9Ifon9q64aqrB4fGj9uDhbiF6xsjfT9g+yer/dHAmHZaOxgY69ZhvSn3F1amZpK57Vp+7oCA==
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

2026-09-17T10:01:42.766926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080681
observed 37293babf10b90d01bc43007957bf708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.751037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080681/manifest.json
observed 02b778dbbbfdbc58c2f0fca0f0bf87a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.735163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080681/publication.md
observed fe31549d27e6ede6a1a8315babb79f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.718904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080681/publication.txt
observed aed9dee62a11d254966936dabbda71a5...
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.