OpenTechnical

OT-2026-000013404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000013404) never changes.

Identity and time

Publication numberOT-2026-000013404 · never reused
Internal UUID01a0ae6d-6fca-70d9-89ee-d8eb34622d2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013404
StatusPUBLIC

Content hashes

Canonical textd1f08d38d20f2a9740eabfc3ea9b4d1ff89602590466ade3e1a8a40b674a1f11
Markdown0209737671a88599a9defb72b3367d16ad115d10e559e87656916cfe881891c4
PDF
Publication pageec0644dbd22806958da03ab10478b4de70279fb48021e2c15bbb138957033096
Manifest2381e7416ec2bc78a2a9c0bf5cacd92c13fa0a87d1c2b57fb20fb22c30dbffac

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
SignatureSnKoicAFRbl2UI5+gXBv9blelutxdJAPD/HGO4rRF9fN02doNKSRObjQRv/iekQcjxVNDtUuJJvfEpzI0CpZCg==
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

2026-09-17T12:09:52.817898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013404
observed ec0644dbd22806958da03ab10478b4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.796092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013404/manifest.json
observed 2381e7416ec2bc78a2a9c0bf5cacd92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.777331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013404/publication.md
observed 0209737671a88599a9defb72b3367d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.759719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013404/publication.txt
observed d1f08d38d20f2a9740eabfc3ea9b4d1f...
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.