OpenTechnical

OT-2026-000007125

Publication integrity record

Bellows cup vacuum gripper, pump fed, sustained blow off after set down, plastic cups

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-2026-000007125) never changes.

Identity and time

Publication numberOT-2026-000007125 · never reused
Internal UUID01a0a973-924f-74af-95ef-30223a0702d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:58.737978Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007125
StatusPUBLIC

Content hashes

Canonical text4fc81f7455e74056446fbfe4cbcc632da325b09635f1c0aa534e4d469ab2920b
Markdownf19b42b789b39a8ef2593e4c6979b0df228ee92617772c99bbd00d8276185487
PDF
Publication page3b02f1733bf91f7b257f1e73cfbdaa9451dee888f82f45637957cd45110006d2
Manifestdcb438082e0e52ff844778a10c54efa094f9087aed6a81a152272b956e47a3fa

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
Signature5G8mjJ0oetT9InPUTlJ/vKfNoiYUOnUZu/NJFwhowd24B39CP0gijVIF93TUf3szh2X+7MPG1y73Me3z0EfECw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:24.226873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007125
observed 3b02f1733bf91f7b257f1e73cfbdaa94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.214125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007125/manifest.json
observed dcb438082e0e52ff844778a10c54efa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.200457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007125/publication.md
observed f19b42b789b39a8ef2593e4c6979b0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.185902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007125/publication.txt
observed 4fc81f7455e74056446fbfe4cbcc632d...
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.