OpenTechnical

OT-2026-000049699

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049699) never changes.

Identity and time

Publication numberOT-2026-000049699 · never reused
Internal UUID01a0ae81-8fee-75fb-b3fc-f9fe9f3284c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049699
StatusPUBLIC

Content hashes

Canonical text9f7f10e1c017eead8fdf263d9860f1043e0491bbbce9b4c1bff285ffaefd6d75
Markdown80ff0e9d1bb4533dea46f664dbf4295ed2b77e37431c2d7734d9cb944178428f
PDF
Publication pagea8cb2f79ea2b1531351abcaf015e417154dd9c664e2712731dec68caaed716c7
Manifest769b8a0b165fdb113dc360e41290713ebc1ce6ff4a495e9108a1330e455d73f4

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
SignatureTIcth7DNMTFkOzU8XPLVE/ZSIBhMLLp9geHoO6XxXwmUtvrtJD3xFVwqVOOF5zk/ce9Q3b4buV5qpgmWJamnDg==
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

2026-09-17T11:02:42.731564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049699
observed a8cb2f79ea2b1531351abcaf015e4171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.712286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049699/manifest.json
observed 769b8a0b165fdb113dc360e41290713e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.694623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049699/publication.md
observed 80ff0e9d1bb4533dea46f664dbf4295e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.675074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049699/publication.txt
observed 9f7f10e1c017eead8fdf263d9860f104...
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.