OpenTechnical

OT-2026-000072797

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072797) never changes.

Identity and time

Publication numberOT-2026-000072797 · never reused
Internal UUID01a0ae92-89da-7a7f-89d3-3b2bdc7738c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072797
StatusPUBLIC

Content hashes

Canonical textf82f2675b7bf80dd0a6622dceb2e57e1c7963b769488460568780a3f04d3738d
Markdown19094809427f7ad7715a96caa9284f64faffb665df91c7a84566d7229806950e
PDF
Publication paged8a0c70e5aa1bce5cc64e206fc61df9ee95584d3436d7fe4bb122bae04afca63
Manifest95c60bf39495b0847fdb8a96695deb03ee09109efa8b03005a34437049cecedb

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
Signaturef/YqF4IIBOP4K3xhuwAjDcJi1iCcw3LFrRnDp+rJOyM5qi6fHpO5dqJt5CVvZ2yaPN9+S/bnjAuRBfUr6E33AA==
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

2026-09-17T10:22:42.638383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072797
observed d8a0c70e5aa1bce5cc64e206fc61df9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.619645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072797/manifest.json
observed 95c60bf39495b0847fdb8a96695deb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.602346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072797/publication.md
observed 19094809427f7ad7715a96caa9284f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.586017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072797/publication.txt
observed f82f2675b7bf80dd0a6622dceb2e57e1...
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.