OpenTechnical

OT-2026-000020112

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000020112) never changes.

Identity and time

Publication numberOT-2026-000020112 · never reused
Internal UUID01a0ae6f-4378-74c1-b4cf-83c6bfc3b956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020112
StatusPUBLIC

Content hashes

Canonical text2965f2131c987a7dc5c178c500e3ad1e110f9674ffc519bad3e78d2db3cf8deb
Markdown1f50ea008ff53da0773dd3d1013c5d058581102fca760b59cbd51290b28db80f
PDF
Publication pageabab25beddead51a62bf7756128e965fb8ffe983c33e35f0a56c518d65f62a12
Manifest15e931b113359f13255acf9f5761365c2cd342ac627270d56d12bd7c9d0f6159

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
SignatureTum7Wu9jjJh+oFU85ZNVEh8qLa+yGazoMcKhE65syM8pkNFYljK3GPauuBsdlam0yiiopIRR6uj0ngqMTtR/BA==
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

2026-09-17T11:56:24.742400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020112
observed abab25beddead51a62bf7756128e965f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.724576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020112/manifest.json
observed 15e931b113359f13255acf9f5761365c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.707714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020112/publication.md
observed 1f50ea008ff53da0773dd3d1013c5d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.687880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020112/publication.txt
observed 2965f2131c987a7dc5c178c500e3ad1e...
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.