OpenTechnical

OT-2026-000084434

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084434) never changes.

Identity and time

Publication numberOT-2026-000084434 · never reused
Internal UUID01a0ae98-5b63-7c92-9401-0e05211b0b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084434
StatusPUBLIC

Content hashes

Canonical text80305de8b96fecf229e2914eb01a5304fc6fe456254b0da214f9c24d2f9ed526
Markdownf85c959f3a571fa94ec68f9b36933a078cfdf14be0a5f9467dec54e719759a21
PDF
Publication page833797b7478fe772b337cc533c51e8a3a4f26f660ee663a8a884865de57590f9
Manifest510a14d05c3e0010a6b5f9f3fc02985f6e07c1e790b93c648453d0d5e744a398

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
SignatureIrmvqnxjZCua3zwvO/SB0UI1CDlUJibk1deFBOaVPIt3j7dhibvOGY5MGf4QK5pHXVrTG1ZGhThVP+ydQXj+Dg==
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

2026-09-17T09:56:23.246402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084434
observed 833797b7478fe772b337cc533c51e8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.229028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084434/manifest.json
observed 510a14d05c3e0010a6b5f9f3fc02985f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.212484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084434/publication.md
observed f85c959f3a571fa94ec68f9b36933a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.195993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084434/publication.txt
observed 80305de8b96fecf229e2914eb01a5304...
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.