OpenTechnical

OT-2026-000087570

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000087570) never changes.

Identity and time

Publication numberOT-2026-000087570 · never reused
Internal UUID01a0ae9a-cd52-7284-a844-f4dcb25f031a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087570
StatusPUBLIC

Content hashes

Canonical text2e44f94a4870d3d0d6dd883cf6b799e26761ebec95007cf3329797321a3fa911
Markdown35375b4cc25abd7b26029b54e01f9889c556fba38b351e6a6f7bcea375b643eb
PDF
Publication paged399587ed983d6d7e4f2281774e707af211ecb2027a636b5026b69af0f982a81
Manifeste0c51c453b75527652de3f7f57113bca67e7f24f96e6272ef5eb2e9cac0eecb3

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
SignaturecxoWSMYUa3BzU9augVI0IT5awn5g9+1hLIqBxoJUv8q4+DrMyQpCDPqJAGetDrw4gxj6di9t6qlbproNWwUXBQ==
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

2026-09-17T09:50:54.975504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087570
observed d399587ed983d6d7e4f2281774e707af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.960186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087570/manifest.json
observed e0c51c453b75527652de3f7f57113bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.943978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087570/publication.md
observed 35375b4cc25abd7b26029b54e01f9889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.927849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087570/publication.txt
observed 2e44f94a4870d3d0d6dd883cf6b799e2...
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.