OpenTechnical

OT-2026-000027913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000027913) never changes.

Identity and time

Publication numberOT-2026-000027913 · never reused
Internal UUID01a0ae72-a4a5-7b06-9523-301e85351c75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027913
StatusPUBLIC

Content hashes

Canonical text6f4ea13a8796c4d678d341066763ed58ac997635d5b951b9546cf4b38cb18a06
Markdowncba3f579bd0f4d309e193e25cb842ea001fbef727ffaf9cb94bc00e8c576e5fe
PDF
Publication page15960d1578c5769d4cb0d6b08265d589a2743713b4864b8afb1e44b6e42bce15
Manifest3fad6c716dfb7a64839e30febb21e960362954b7378420d0ed5b794634ad1c0f

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
SignatureTDS9O5fUOF/a9WD51OhytrM5jaC+J+bQqM+WzWU8jgsX58NZpP3D4QGtTnsxqmGkp69+mfV/mugpBKtCgHidCw==
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

2026-09-17T11:42:05.144790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027913
observed 15960d1578c5769d4cb0d6b08265d589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.125866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027913/manifest.json
observed 3fad6c716dfb7a64839e30febb21e960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.106924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027913/publication.md
observed cba3f579bd0f4d309e193e25cb842ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.089027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027913/publication.txt
observed 6f4ea13a8796c4d678d341066763ed58...
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.