OpenTechnical

OT-2026-000041305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041305) never changes.

Identity and time

Publication numberOT-2026-000041305 · never reused
Internal UUID01a0ae79-b144-7a0d-a38f-595ff77b6dd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041305
StatusPUBLIC

Content hashes

Canonical text3b5485fef8a72d55deb22e12c80b9f7701306755dde4bcbe5d77a99411943005
Markdown1fcca900d69ee76e00485f33c72dc2fbcada99e97061d11b4c7102feb1a20ca2
PDF
Publication pagef15f5a0c79379e6069a2c2f981d2c1a5a6d8ea7350a82ef4cb13f752a6b0ba08
Manifestef3eab5d93aafd7aff10139b6aa5a3e52ee13c2d8a7f9d09dd77c026b719e8c6

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
SignatureRt+J1imRkMDl2xTBQqAZKV004B7IgDlknwZEMWJ4jw4H8zpII7M8FhRTR1iCvFuuXGL682PbBBVywO1zZbhsCQ==
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

2026-09-17T11:17:17.378875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041305
observed f15f5a0c79379e6069a2c2f981d2c1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.361201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041305/manifest.json
observed ef3eab5d93aafd7aff10139b6aa5a3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.343425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041305/publication.md
observed 1fcca900d69ee76e00485f33c72dc2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.303248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041305/publication.txt
observed 3b5485fef8a72d55deb22e12c80b9f77...
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.