OpenTechnical

OT-2026-000025749

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025749) never changes.

Identity and time

Publication numberOT-2026-000025749 · never reused
Internal UUID01a0ae71-a83d-7479-b5a7-caa43f7973cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025749
StatusPUBLIC

Content hashes

Canonical texta9c61817ec8f3e339195dce12ef2a630c0791e0458a50d2d7adf7e05a337699c
Markdown6c43e7192148590b2df38b9beb1377e0707cff5459e67d3363e52f0675e42c87
PDF
Publication page35ad20ce50be6ca739d2dbf3aefb662b79f1db8bbbec465d69989328cba13cae
Manifest56e95d24fc474e2cfb2df2206c6779479a20ad6194700a1938d4c2de804b1e72

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
SignaturerhMijn505DV7q9wYM6hwIRHsbjDSiE1aB3Q2r+Ue4/ci3SVILLMQgRgxP3im86mObT89+Cij/BGNKooknn4CBg==
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

2026-09-17T11:45:56.943588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025749
observed 35ad20ce50be6ca739d2dbf3aefb662b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.926800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025749/manifest.json
observed 56e95d24fc474e2cfb2df2206c677947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.908301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025749/publication.md
observed 6c43e7192148590b2df38b9beb1377e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.889768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025749/publication.txt
observed a9c61817ec8f3e339195dce12ef2a630...
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.