OpenTechnical

OT-2026-000011569

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000011569) never changes.

Identity and time

Publication numberOT-2026-000011569 · never reused
Internal UUID01a0ae6c-8900-796e-ada6-8b2e4153e395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011569
StatusPUBLIC

Content hashes

Canonical text14dc5329b2f1b997873c97f1e299dc7c6c35be7dacd5a9381f60364590630839
Markdown328a90328581b6f162b3eb7d54575eeb06443e6928ac845f2f09b56c3f6acfff
PDF
Publication page67d6910b8532ec569b329ec8ec26eb513d65b8ee34f3c3da7ad8bf48c6738d67
Manifesta549a376cbc1e51408ac73d702b72984c8d84b07565aa70756f00a2b04a6db41

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
Signaturekr0/zIJT6hdZYN8WXrULy59+VbfHij1cQVJluUguPn6a3XfbVSm0GSysH5FvUkZ1AQle+iaAjUZYgSo+hOowBQ==
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

2026-09-17T12:13:01.243655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011569
observed 67d6910b8532ec569b329ec8ec26eb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.225589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011569/manifest.json
observed a549a376cbc1e51408ac73d702b72984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.205251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011569/publication.md
observed 328a90328581b6f162b3eb7d54575eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:01.186525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011569/publication.txt
observed 14dc5329b2f1b997873c97f1e299dc7c...
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.