OpenTechnical

OT-2026-000029666

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029666) never changes.

Identity and time

Publication numberOT-2026-000029666 · never reused
Internal UUID01a0ae73-5e23-7cc7-92b7-8ca554e18758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029666
StatusPUBLIC

Content hashes

Canonical textc4967a43360492d57520407a5593ce902cfbcdb359e3ae5315af133cee2d61a6
Markdownba3acc43976b898c63caeb2b6bcab3954e49943cc4cf106d28d3885322a69fd1
PDF
Publication pagec9462ecdc31d064dc3b622925798c2e1ed53ab8ae1d79b925e0e6a5e1c98b01c
Manifest94ca399c7deb032aebab8a599b00ab7aed9131f339c82a3309414b2729f3f6c4

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
SignatureYNG5Mcb5Iqu7Pl8y/yEpMEPD6UdYfUc87bBVkkSvJNPwk9m0/GSjXTi6j8lh7aGMrSM/Ux1GVp46Ak/EOdGtBA==
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

2026-09-17T11:39:23.072498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029666
observed c9462ecdc31d064dc3b622925798c2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.056581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029666/manifest.json
observed 94ca399c7deb032aebab8a599b00ab7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.034178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029666/publication.md
observed ba3acc43976b898c63caeb2b6bcab395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.015077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029666/publication.txt
observed c4967a43360492d57520407a5593ce90...
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.