OpenTechnical

OT-2026-000064567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000064567) never changes.

Identity and time

Publication numberOT-2026-000064567 · never reused
Internal UUID01a0ae8d-a462-7d8c-9e5a-1425b1096c1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064567
StatusPUBLIC

Content hashes

Canonical text0c80bbd1a43941afef2d1ad25e3d4632beb59011dce68a74ea2ee3cc9de65265
Markdown8ef577c7c0fdbd54e348268cbdcbd2686929682958e7ffbeed1e43586eceaa11
PDF
Publication page5779943e39bea5ba45f467c272e5f03b154ec38b2f24b0c20c76044c64c6e734
Manifest61be430beb43ec34c1646cee872504454befe7b54a66f85134dcdafa7bb72cd2

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
SignaturenFdmwDHb6QNWv/CwdIlrNNTfKrTmFPPUpQMfoE4Xb7XZwnNEb2nDxkBqGYOJnT/xzNbL+4hpZXkeNUkaG3UzAQ==
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

2026-09-17T10:36:47.651117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064567
observed 5779943e39bea5ba45f467c272e5f03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.632630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064567/manifest.json
observed 61be430beb43ec34c1646cee87250445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.607210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064567/publication.md
observed 8ef577c7c0fdbd54e348268cbdcbd268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.586695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064567/publication.txt
observed 0c80bbd1a43941afef2d1ad25e3d4632...
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.