OpenTechnical

OT-2026-000040149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000040149) never changes.

Identity and time

Publication numberOT-2026-000040149 · never reused
Internal UUID01a0ae79-26fe-7194-ad1f-b79b8f88a7e8 · 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-2026-000040149
StatusPUBLIC

Content hashes

Canonical textd93d21c8c5869f73219bb385faeafd6d6b91b96264d43fe511ddca1984dbcae1
Markdown46ac407604e2ed48e07acf2a6281cbf7dca8e35c9cb56bd32682376ca2abdf59
PDF
Publication page44720b180cfccae3e82b0da0ed81a2a984bc68bdae2d80f23f9f0ad358142826
Manifest77fa5ff6483a783fa1f98eded205623ff1fff5bb620331bfac684e51c4110d4f

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
Signaturer/XdSru3+1Di45HO0cshuiQSVA8kvRMEWeZtTLB7QrTwUnxLn16rClVgY0H2XL9JNWW2GDutmbY0I09Pt8r9Bw==
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

2026-09-17T11:19:01.355978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040149
observed 44720b180cfccae3e82b0da0ed81a2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.340094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040149/manifest.json
observed 77fa5ff6483a783fa1f98eded205623f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.323889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040149/publication.md
observed 46ac407604e2ed48e07acf2a6281cbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.304992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040149/publication.txt
observed d93d21c8c5869f73219bb385faeafd6d...
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.