OpenTechnical

OT-2026-000013558

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000013558) never changes.

Identity and time

Publication numberOT-2026-000013558 · never reused
Internal UUID01a0ae6d-6fcb-7a31-a685-9cc1e31c1066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013558
StatusPUBLIC

Content hashes

Canonical text24ddd4723abeb16e7da7a4750161023da8576673b0f6a075ab5c2105b008498f
Markdown8a7c9e474322b82cb63868c62db82bab0c6e07e9ee9b7caf9900c0514cf8312a
PDF
Publication page8e121e6bcb6fddf9df8cf7206b1bf1e2a6f99d7e46f356387d95154fac707ba5
Manifestffbcbd43e2b7334c680b8e0e9e31d922755234dc0a6da5720a4db3a2b1cdc7fa

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
SignatureNwr5DKDGc0jdtaAfP7tYW0hjF1BNJw84dWTCanFuaA4YQ1qBBH+ojZf7O+oRSk7C+C+mwRV83lYsspXbP7QhDg==
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

2026-09-17T12:10:06.093399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013558
observed 8e121e6bcb6fddf9df8cf7206b1bf1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.070886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013558/manifest.json
observed ffbcbd43e2b7334c680b8e0e9e31d922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.050075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013558/publication.md
observed 8a7c9e474322b82cb63868c62db82bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.032622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013558/publication.txt
observed 24ddd4723abeb16e7da7a4750161023d...
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.