OpenTechnical

OT-2026-000042600

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000042600) never changes.

Identity and time

Publication numberOT-2026-000042600 · never reused
Internal UUID01a0ae7a-c0ce-79f8-9189-ee9e6c63fe1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042600
StatusPUBLIC

Content hashes

Canonical text833b6bdb69a2a8c5ad508e3101233868905bedabee5c5914c327ca8a92627094
Markdown3bf7843343119e8abe29611eb574ca5e7ba0789f4a31f71af3ffdd343ddd212f
PDF
Publication page22af8f3f005d9b8e4a175100ff65be8234f36c327f031142d7ba5fa60ba10d5b
Manifest170226b55d6f123abe8872e282fd03dc2f2761139f06b1351d26830408ffb70f

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
Signature6f8wdj/JiHS1ty9ZECaPSYKikLNVJFzV2XRdlZTFwdtaD5Ri71eVMP9rQWFSNQwfZPMAUuA7cVmy0TBVLbsUBA==
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

2026-09-17T11:14:19.492842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042600
observed 22af8f3f005d9b8e4a175100ff65be82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.475702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042600/manifest.json
observed 170226b55d6f123abe8872e282fd03dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.457209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042600/publication.md
observed 3bf7843343119e8abe29611eb574ca5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.438315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042600/publication.txt
observed 833b6bdb69a2a8c5ad508e3101233868...
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.