OpenTechnical

OT-2026-000090667

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000090667) never changes.

Identity and time

Publication numberOT-2026-000090667 · never reused
Internal UUID01a0ae9c-7f30-76c5-ad3d-0d1ffd29e3c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090667
StatusPUBLIC

Content hashes

Canonical text45d9413a6aec0c14aa18186f855a964c94f88a2943b9c7ce751e8af1ec5fc325
Markdownf8278122b525fe385e5ea09086acb1e878a95a0a42eca4e79c9dfda7b4e72707
PDF
Publication page18dfca10e62fab1fac610193b3a657966d566cf8b56ee098181aef4ff0cae6a5
Manifestf03521a3a1b5746a7de322242e49f6a140101d0342e2df38fbd2645c0225afc6

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
Signaturex0s/4IlF2Rk4o5Qk1iqEuSDIEZh0v36+EOOGxNgHucGezmJd5JiS6u9jz4tWBe7Zjmo1TzMsbkE2n884pD3eAw==
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

2026-09-17T09:44:51.678838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090667
observed 18dfca10e62fab1fac610193b3a65796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.662291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090667/manifest.json
observed f03521a3a1b5746a7de322242e49f6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.644818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090667/publication.md
observed f8278122b525fe385e5ea09086acb1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.628414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090667/publication.txt
observed 45d9413a6aec0c14aa18186f855a964c...
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.