OpenTechnical

OT-2026-000039289

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000039289) never changes.

Identity and time

Publication numberOT-2026-000039289 · never reused
Internal UUID01a0ae78-9674-7c55-87fe-77ccac55ca73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039289
StatusPUBLIC

Content hashes

Canonical text1951650004c4b1ffc8909dfb248569bb3ac692c508f16d0dd106f4b36e7b738c
Markdown860cbecb184660e8c5c4525209b238118b625783d94fe350ef2cadf2c7ea4464
PDF
Publication pagee285ce11e7476380d2cf0863ead4d465ec0caacb74f441c95fee1ca2e8a1ef3b
Manifestc52236976464455296ad6e60e61f2c6ac5238b3b798fce83183d67381719fbad

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
SignaturevnKnEQuiMyIw2wQQUsiGml7sbfYPspVA6ba+7TL1EMM2DU9ATqgiBsc2aFyAni3MDUUTUjmLNnVjOgXH4kQ/Dw==
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

2026-09-17T11:20:51.819873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039289
observed e285ce11e7476380d2cf0863ead4d465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.803006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039289/manifest.json
observed c52236976464455296ad6e60e61f2c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.785112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039289/publication.md
observed 860cbecb184660e8c5c4525209b23811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.767461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039289/publication.txt
observed 1951650004c4b1ffc8909dfb248569bb...
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.