OpenTechnical

OT-2026-000049777

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000049777) never changes.

Identity and time

Publication numberOT-2026-000049777 · never reused
Internal UUID01a0ae81-8fef-77a2-ae06-bbe86616b49b · 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-2026-000049777
StatusPUBLIC

Content hashes

Canonical textbd712fc81aee24a9a79c74065aa30076071213d59e8625a8a383a2946dc23861
Markdown435fe83d882c837b74f07a8f64a648b4cc34acbbed31f870106acecbc5336c3a
PDF
Publication pagec4bd305fb2edb7577aa099bfeae9128c96721e6b9363c24f6b1de654c1e33f14
Manifest9c6da3305fd4a8bea5258b01f4c20773967ca74462a8408cc5e284d77a9394a8

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
Signaturek1UoeQDKVUP1PLWJXT7Jht2tsouRBNCLO1v6RKZtQ43g2kKyWnIeKPRugjw2OGq8D2PuQb1rBfSHWYQAhkUFCA==
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

2026-09-17T11:02:53.554201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049777
observed c4bd305fb2edb7577aa099bfeae9128c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.536172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049777/manifest.json
observed 9c6da3305fd4a8bea5258b01f4c20773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.517226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049777/publication.md
observed 435fe83d882c837b74f07a8f64a648b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.497517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049777/publication.txt
observed bd712fc81aee24a9a79c74065aa30076...
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.