OpenTechnical

OT-2026-000047648

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000047648) never changes.

Identity and time

Publication numberOT-2026-000047648 · never reused
Internal UUID01a0ae7f-c41e-7355-ae9d-f1de79e85e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047648
StatusPUBLIC

Content hashes

Canonical text67b40f4ab85fba0e3a976c3f4b01620ca6a9eb943a93000dc7e6b3630cd00c64
Markdowna3a201db24c71f81ed504c5c3633502805a0b782d415a9691df2312ff9f08416
PDF
Publication pagee8ec9b68eaaeafcf49f39926608a3df7f5cb8f89f5a5fd2591ab7e6cf35fc4a2
Manifeste64255147272ad684a23d0dc7d1425f00603dee6c768e317517754f661774268

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
SignaturevCR8UaUuio65j/jqoe9gcif49jZ6z1h4sIS3aarhpEUA2LOHJWYFxMnuqYnSsl6JgN9ITApwuU96xJtT6j+dBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:28.927910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047648
observed e8ec9b68eaaeafcf49f39926608a3df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.908154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047648/manifest.json
observed e64255147272ad684a23d0dc7d1425f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.888797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047648/publication.md
observed a3a201db24c71f81ed504c5c36335028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:28.868777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047648/publication.txt
observed 67b40f4ab85fba0e3a976c3f4b01620c...
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.