OpenTechnical

OT-2026-000068150

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000068150) never changes.

Identity and time

Publication numberOT-2026-000068150 · never reused
Internal UUID01a0ae8f-c4ff-7943-a38b-345b4f99a8b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068150
StatusPUBLIC

Content hashes

Canonical text2cbc32a13bf559dba9b61d53ad0c602c860fade03e17a25b455076212ad9400f
Markdownb50b9acec16ad4b48f979f1e0c80af9ec8fdf3ccd8c35d8572b518b1cd0de9fa
PDF
Publication page8b77da4537760727afb6cf025eb70d9a80da5e81f97f04c16fab6e25f42862fb
Manifest0ae2638d564a248a3c55b3c8575fcb5fdf6a259c4057caf98985ca3ca0dacabc

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
Signaturew+7WbmgU2p0l6CYZoaFIjNEilEz/Jj2/20XesCAiqISCv1FcyRg0VgS5wO4nyvo5tnxwjcxNmiG0W+T6BovMBA==
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

2026-09-17T10:30:48.020049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068150
observed 8b77da4537760727afb6cf025eb70d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.003103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068150/manifest.json
observed 0ae2638d564a248a3c55b3c8575fcb5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.985219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068150/publication.md
observed b50b9acec16ad4b48f979f1e0c80af9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.968193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068150/publication.txt
observed 2cbc32a13bf559dba9b61d53ad0c602c...
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.