OpenTechnical

OT-2026-000065541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000065541) never changes.

Identity and time

Publication numberOT-2026-000065541 · never reused
Internal UUID01a0ae8e-46f9-7018-b218-0ccc729c88ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065541
StatusPUBLIC

Content hashes

Canonical textfdf1860467a1b3eb319bf2524127d51cabf373ee3d13415e4b425bc11b55537b
Markdownea1e79714a44cd5adb677853bf62a808976c27a0fdab60a3c37af49e13695fe3
PDF
Publication page632a129fe23543556703e210e97615677063198b0cfb345941d80854be4d1c31
Manifest33c0f7795191d45c97e2548120ab7247975f3369ef6ad69468344cec2a32045c

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
SignatureZKwIYv6gnInoTPBQkoTBXWPtbms7f6e3F52CNzGZqBJoTkF4AoObu7N20iUFBE7aualdYMvROfy6NHKpVlIOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:50.601347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065541
observed 632a129fe23543556703e210e9761567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.582858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065541/manifest.json
observed 33c0f7795191d45c97e2548120ab7247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.564989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065541/publication.md
observed ea1e79714a44cd5adb677853bf62a808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.546869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065541/publication.txt
observed fdf1860467a1b3eb319bf2524127d51c...
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.