OpenTechnical

OT-2026-000040117

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040117) never changes.

Identity and time

Publication numberOT-2026-000040117 · never reused
Internal UUID01a0ae79-26fe-743a-94e6-42ae29ba2536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040117
StatusPUBLIC

Content hashes

Canonical text31c7bc5b50db6639a2388c9743e339f5da7cd8097368d8fd586a6b4974fb77bb
Markdownea23eed90b55a186f964121e79e1f9c7745974001e40024c1da43f65918e0d54
PDF
Publication page2183ed1867712c23dbb0db8539de11a305c37639e61c3c91a2ad8d84a48829be
Manifestba175f0eb5d08a4c1f43f072c417c9d8f0002dc9fe0a861dcc519cca147b095f

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
SignaturePHITfcZ7ylzPIGFI52H/hiALWc3eZFLyM5DZM+oKur+zqJzFLERtLrSDSVYZx3sCnErYBt2GduiFqSdl19LXCA==
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

2026-09-17T11:18:59.050953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040117
observed 2183ed1867712c23dbb0db8539de11a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.034486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040117/manifest.json
observed ba175f0eb5d08a4c1f43f072c417c9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.018445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040117/publication.md
observed ea23eed90b55a186f964121e79e1f9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:59.002887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040117/publication.txt
observed 31c7bc5b50db6639a2388c9743e339f5...
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.