OpenTechnical

OT-2026-000029432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000029432) never changes.

Identity and time

Publication numberOT-2026-000029432 · never reused
Internal UUID01a0ae73-5e20-7b34-8592-20fbab926a02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029432
StatusPUBLIC

Content hashes

Canonical textae86cf8c20c795c41baa50e85b416684dac2e367680fd115f2653656cf1ddda1
Markdown441c21643ee5d4aa3b88281e6568690a66dad63329556201b232a6f145ee2bb3
PDF
Publication page0926525192033c434bee047cc2c561a4d9f2798152adb409c9546a0e65af1d83
Manifest0fcf002731d3bd4ffa55c0e01158354e4881e979685345a378196daa49e36b4c

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
SignatureCksYxk7UIfkHUXQII6HmZh0V+6hsNo0NnBFhH3VJZS7gzOL2U+U1LyAjsyvi042riRcNFhHVH2e8xwWF3LsqDw==
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

2026-09-17T11:39:02.656278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029432
observed 0926525192033c434bee047cc2c561a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.638456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029432/manifest.json
observed 0fcf002731d3bd4ffa55c0e01158354e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.616545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029432/publication.md
observed 441c21643ee5d4aa3b88281e6568690a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.594340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029432/publication.txt
observed ae86cf8c20c795c41baa50e85b416684...
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.