OpenTechnical

OT-2026-000049406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000049406) never changes.

Identity and time

Publication numberOT-2026-000049406 · never reused
Internal UUID01a0ae81-8f7b-7014-b9fd-6937c72a30db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049406
StatusPUBLIC

Content hashes

Canonical textc1ef5b405c1089ee994795016bcbf018396756ef17770592c5d3166855ea43a6
Markdown07377239ec0ea541c60dceb682ba801410b849206cf50da7a595518ae0946146
PDF
Publication paged9700f6ee394dd1bc3dc74d9252f5aed869232b65c6fa95937c7f55536061858
Manifest4279fc9d8721cbcd398241007bda7ca8aaab1eb83ad551aa05ac134512cc7469

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
Signature54tsqkhZTv+sQjQBZJa5CjZ/QYAq1ENc8wa/AIgmrLLY+OdIqQxO+HW8FNb8bYiTqj70hii1WdBNuZdsifvxCw==
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

2026-09-17T11:02:13.513612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049406
observed d9700f6ee394dd1bc3dc74d9252f5aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.496616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049406/manifest.json
observed 4279fc9d8721cbcd398241007bda7ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.479794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049406/publication.md
observed 07377239ec0ea541c60dceb682ba8014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.461327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049406/publication.txt
observed c1ef5b405c1089ee994795016bcbf018...
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.