OpenTechnical

OT-2026-000041550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000041550) never changes.

Identity and time

Publication numberOT-2026-000041550 · never reused
Internal UUID01a0ae79-e89f-7461-9d35-4fab8f2995c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041550
StatusPUBLIC

Content hashes

Canonical text6cdff56c0af2193a70b369b093510f04f01704e8825f80030f22bf9854899845
Markdown4161835793c5ff974a9553057c5cf297cf9c6fe8f21cd2341f582507ff99d07c
PDF
Publication page97ce4f22a48f48c0b3c37e8ef16910b5924368cae26e97fcfb611b7f3ca79f15
Manifest6a81e89cd1909d75bd17820e7e28821b481c665da03ec397526c0d3deed88a09

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
Signature1IDJzuSiBmipz3Gc+CE8BopzuzbLd5XCphcVhDvlML1+buDMFHGFwbO4VCOgnPNUv5mDUB8dx54c6DH4HhGiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:19.603982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041550
observed 97ce4f22a48f48c0b3c37e8ef16910b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.587400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041550/manifest.json
observed 6a81e89cd1909d75bd17820e7e28821b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.571821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041550/publication.md
observed 4161835793c5ff974a9553057c5cf297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.555597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041550/publication.txt
observed 6cdff56c0af2193a70b369b093510f04...
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.