OpenTechnical

OT-2026-000016965

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000016965) never changes.

Identity and time

Publication numberOT-2026-000016965 · never reused
Internal UUID01a0ae6e-591a-7c75-a116-1b06951c07ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016965
StatusPUBLIC

Content hashes

Canonical textb426c055d3cacd1ffa3d4b30220f28731abd25397aa8d5626197dd092760a919
Markdown0a5e1c7e03bd65addef03b4b4f1f2447b7f83ceb9fe070b54879e72c1dc34e07
PDF
Publication page46df5ab781c3eb62d2fc9876d257d7096180ce7899291b22931495840e1d7d93
Manifest2e18b9daf9869558b4ba4c95bda4e7a4b1ff986f52fb02041a64808894add483

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
SignatureHHWUPzktJ4rW6D+Geg4KootERt5jk/q0bse08AhFTmvOTSr0mYBPe4TCe3ZSWCCRKPjJQKwnTb9Kpn/aULIsDg==
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

2026-09-17T12:03:15.477123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016965
observed 46df5ab781c3eb62d2fc9876d257d709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.458884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016965/manifest.json
observed 2e18b9daf9869558b4ba4c95bda4e7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.440963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016965/publication.md
observed 0a5e1c7e03bd65addef03b4b4f1f2447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.426086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016965/publication.txt
observed b426c055d3cacd1ffa3d4b30220f2873...
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.