OpenTechnical

OT-2026-000022406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000022406) never changes.

Identity and time

Publication numberOT-2026-000022406 · never reused
Internal UUID01a0ae6f-f4fd-7a29-a599-5bef6f75682c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022406
StatusPUBLIC

Content hashes

Canonical text99bfc02497f6323eda3705f39ba5d3c9918581d6bd88efb2b3718d21950f2701
Markdown9e37e33058a08fc03719f5264bda66780c263d5e6bfc68ca230276154a52962c
PDF
Publication page2a1dc44aeae12fdd84fa1673fbff816130aef7836ac79d19379bd7ae6ae34150
Manifestfa673ad38548d1811ae07385363da7981a24440f035ed40881f86795889548d5

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
Signatureebcaa/8u+p1Ntpl51X20P9NbVUzI71cH2bY7mDWSgn3PgxH7Njh9WU1RFue4KTfHqTqMCZJI3zhU44v1deMsDw==
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

2026-09-17T11:53:47.426245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022406
observed 2a1dc44aeae12fdd84fa1673fbff8161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.408041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022406/manifest.json
observed fa673ad38548d1811ae07385363da798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.391469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022406/publication.md
observed 9e37e33058a08fc03719f5264bda6678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.374321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022406/publication.txt
observed 99bfc02497f6323eda3705f39ba5d3c9...
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.