OpenTechnical

OT-2026-000039173

Publication integrity record

Two cup vacuum gripper, two 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-2026-000039173) never changes.

Identity and time

Publication numberOT-2026-000039173 · never reused
Internal UUID01a0ae78-9673-7586-804d-6ae82d68c2fc · 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-2026-000039173
StatusPUBLIC

Content hashes

Canonical text948213f8cda0c5ad0e0e7477bad667343fde1ee3afebcd336eec660d007be30c
Markdown0dff3ac018009ed077ca54f8100af5866c149fd1ab78e8821c5f47c1f59d6ca0
PDF
Publication page140de5ef73bfc4634109e95e6a70eab491997fe02615a110ef0eaa61c0d559a8
Manifest094da73a0e58882556f1cda1b48eee48f59e1db6cc91a11002ad0cb8b5814ce3

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
SignatureU8jhK4a3teHsov264/CTFgsm9gMOrjH2NS2Kn+fHGGkpMlCT1gNpeWBy4+bNg+iESO/orj1vyXCxUzQ6Clp4Bg==
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

2026-09-17T11:20:41.741207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039173
observed 140de5ef73bfc4634109e95e6a70eab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.718869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039173/manifest.json
observed 094da73a0e58882556f1cda1b48eee48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.701109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039173/publication.md
observed 0dff3ac018009ed077ca54f8100af586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.683077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039173/publication.txt
observed 948213f8cda0c5ad0e0e7477bad66734...
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.