OpenTechnical

OT-2026-000078622

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000078622) never changes.

Identity and time

Publication numberOT-2026-000078622 · never reused
Internal UUID01a0ae95-7c2a-7f16-b854-cd71c3d7de99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078622
StatusPUBLIC

Content hashes

Canonical text086334a3004ad4fadd96e76aa611b504bcafc63f250e7572a88583b3b3f0e4ee
Markdown42e215229a479c7736e81d415672b6b11a324f31938908b6a7e076a703771a42
PDF
Publication page599ff985b2a0d8df787c45048a9d34da73c638b7e2339b586cd5b6d166748f64
Manifest3359d569c27c747b018456db691bac40a76b577ea532202757e7d83a053e20fb

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
SignatureIPedatwzoRzzNIg3XdmqR+7+rP7SxcJEfemavT/Z4sEVtJuaD9RlN4iEHFM3+pBNlhc5hY+MKPkDF7TaDCY0CA==
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

2026-09-17T10:06:04.521597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078622
observed 599ff985b2a0d8df787c45048a9d34da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.503370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078622/manifest.json
observed 3359d569c27c747b018456db691bac40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.482254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078622/publication.md
observed 42e215229a479c7736e81d415672b6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.461422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078622/publication.txt
observed 086334a3004ad4fadd96e76aa611b504...
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.