OpenTechnical

OT-2026-000013104

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013104) never changes.

Identity and time

Publication numberOT-2026-000013104 · never reused
Internal UUID01a0ae6d-6fc8-77c1-aff8-91a49c0bac89 · 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-2026-000013104
StatusPUBLIC

Content hashes

Canonical text853427161444524f7dfc059514087a23b7c87e3f128731a124fd512b3576b6ca
Markdownf22b841c4f6def24130a380040ccd4de44bf6639cda2f0cae0a0cb37a20403d6
PDF
Publication page5c3ae9832c6a4768482b7fb06b370af101643a3942d37b855f81d609eced8dde
Manifest5363cb6b4b02976c38a37f23f06b7c43123549100c532c965bbd42f34478a7b0

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
SignaturemCnxFGrP3FLKGdXeSc/icl8m4k+4Lzfb9Jf3GBk/jzDxub5X+5sB6V0hn8PHopPT0YJriLAvU0WoF07SHvJ2AQ==
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

2026-09-17T12:09:23.146770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013104
observed 5c3ae9832c6a4768482b7fb06b370af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.128632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013104/manifest.json
observed 5363cb6b4b02976c38a37f23f06b7c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.074010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013104/publication.md
observed f22b841c4f6def24130a380040ccd4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.017977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013104/publication.txt
observed 853427161444524f7dfc059514087a23...
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.