OpenTechnical

OT-2026-000041569

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041569) never changes.

Identity and time

Publication numberOT-2026-000041569 · never reused
Internal UUID01a0ae79-e89f-74be-91cd-223c7b7341d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041569
StatusPUBLIC

Content hashes

Canonical textee0275d80c92736ff5930bb356480a707c3c08d1908b340868cf4bb0d3caaf04
Markdownefd56dd82e26ded60969fd0d9f3e9ad5535b2500c9b06e0c0686f79ee061ed41
PDF
Publication pagec2183fa061c37925ee4134f2b07c698371fa8bb65bc02d8045643c2eff1ede95
Manifest00fd39863b6f116cc3432d130987f84420354adbfc22e9224bacb0f053a8beb9

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
SignatureqhzrTTI+IXeRdeE2K2Bf8DkDiCMHUK/Xo6mpAO7ocIDk0QnLh8tPjxxYImtZ10yTB0HK97Xx6OubFgAKvz+aDw==
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

2026-09-17T11:16:21.060572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041569
observed c2183fa061c37925ee4134f2b07c6983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.043690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041569/manifest.json
observed 00fd39863b6f116cc3432d130987f844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.027398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041569/publication.md
observed efd56dd82e26ded60969fd0d9f3e9ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.010540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041569/publication.txt
observed ee0275d80c92736ff5930bb356480a70...
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.