OpenTechnical

OT-2026-000022347

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022347) never changes.

Identity and time

Publication numberOT-2026-000022347 · never reused
Internal UUID01a0ae6f-f4fd-71a4-bd18-5a378346e2ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022347
StatusPUBLIC

Content hashes

Canonical textc8fc13336b8fcda76745f1e2c0f5a2beb1c8745e8b0642b8e7751e5f2084886d
Markdownd355878b786a5f036d994b2b4773bdc05879915dba2930084de5fdb30cad353d
PDF
Publication page286e84faffec0d6e3e2f1250b19bcb307446f5d4b6d004f2d97a82d7fcfe7596
Manifest1fb1bbf4bb9e1d76b368b7c506f8efe032a66faf4b983e7b407c78eadd051900

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
Signature2FWC+iEgK7CK5Ju/pJdaUdkR2A4/3XKVsBiJjfjT/PI6CwqzAQjhck3IByPIzBAcBNjNcW/vy5gjV1WT1GcaBg==
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

2026-09-17T11:53:42.696001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022347
observed 286e84faffec0d6e3e2f1250b19bcb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.678309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022347/manifest.json
observed 1fb1bbf4bb9e1d76b368b7c506f8efe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.661198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022347/publication.md
observed d355878b786a5f036d994b2b4773bdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.644341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022347/publication.txt
observed c8fc13336b8fcda76745f1e2c0f5a2be...
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.