OpenTechnical

OT-2026-000072152

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000072152) never changes.

Identity and time

Publication numberOT-2026-000072152 · never reused
Internal UUID01a0ae92-47c2-7f11-a8eb-d9aaa7380804 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072152
StatusPUBLIC

Content hashes

Canonical text6ddac2741ccd0759a2b080df7bcc939b3f9071ec7edaae784962773056d940b0
Markdownbacbe80ca0554944c4e62b5831ef477ddd6c2184be47a920440cc411d707f029
PDF
Publication pagefa6f1e0d64c77d1e1ec7bde84790a55f9a8ee109f94bb18344f78dac0f3a1940
Manifest9a8f162dc79d960ab97ef5d9882b00b602f50a0a4482d9081959296cc8a13dd9

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
Signatures+E1WBd4SUNFQrkK5qk3tHHRN7NRki+7Dree5LXDA87d84ErRoMj3D6dY7RMdPDewaLYmtFAFjm9icFOaWHmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:15.005488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072152
observed fa6f1e0d64c77d1e1ec7bde84790a55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.988261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072152/manifest.json
observed 9a8f162dc79d960ab97ef5d9882b00b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.970347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072152/publication.md
observed bacbe80ca0554944c4e62b5831ef477d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.953688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072152/publication.txt
observed 6ddac2741ccd0759a2b080df7bcc939b...
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.