OpenTechnical

OT-2026-000019126

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019126) never changes.

Identity and time

Publication numberOT-2026-000019126 · never reused
Internal UUID01a0ae6e-f391-7a70-8779-64d2374fe5d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019126
StatusPUBLIC

Content hashes

Canonical textbe98619ca9ad9d60e9c4af1b382226cf998051cc2744ce27f778175ca943cf2b
Markdown8c67e6e6fdfa50d96b3ea26b689e2df5b3a25cb1e9f84d141ceb02b52b1d6d79
PDF
Publication page9c33c3b217d771c511a348a82bb4e6b5c9e768172a0b03af7a2df2319e1a194c
Manifest2145316617481aa86966d628964c8f5b51c50db6c2509f9678c3f0add95a20cd

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
Signaturestdhj9IsWMCUpPsG++HmjpCTr0RIcaXLo59eoTZh1KH+RwXtOtbWDmfHZ9Es8UwjIw/qPOp6JpGJFB9DUPt1DQ==
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

2026-09-17T11:58:25.935457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019126
observed 9c33c3b217d771c511a348a82bb4e6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.915994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019126/manifest.json
observed 2145316617481aa86966d628964c8f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.898443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019126/publication.md
observed 8c67e6e6fdfa50d96b3ea26b689e2df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.881096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019126/publication.txt
observed be98619ca9ad9d60e9c4af1b382226cf...
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.