OpenTechnical

OT-2026-000066849

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000066849) never changes.

Identity and time

Publication numberOT-2026-000066849 · never reused
Internal UUID01a0ae8e-ce43-7c0c-b0cf-e272f32ddbf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066849
StatusPUBLIC

Content hashes

Canonical textcc470d6c7d146c0ba879d81f56d1b71b140cbbfc5788da57bcbde9c804c43f69
Markdown576dc246f619e33c958bc6bd7f1f7cb881739bfe55f64b66e996b931699549b7
PDF
Publication page603c9a56af4576e3395d03f22b2ae8f3d35a160b23d5e8543fc6229472f64c06
Manifestad905cfe667ff85c8248c66214149c3175b22daedefcb4d23466ae7ad5be6448

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
Signature6fpfZjjbccBm44jNhRFNYZJr+c71oUiJrFGmGUKoAH9K98gRpMF3y0qLa8t1jS+IqvNOOQrSPCgWZWwpoZ+MCA==
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

2026-09-17T10:33:17.325191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066849
observed 603c9a56af4576e3395d03f22b2ae8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.307282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066849/manifest.json
observed ad905cfe667ff85c8248c66214149c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.287366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066849/publication.md
observed 576dc246f619e33c958bc6bd7f1f7cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.265110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066849/publication.txt
observed cc470d6c7d146c0ba879d81f56d1b71b...
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.