OpenTechnical

OT-2026-000022940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000022940) never changes.

Identity and time

Publication numberOT-2026-000022940 · never reused
Internal UUID01a0ae70-46ec-71ca-9653-e217400f54d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022940
StatusPUBLIC

Content hashes

Canonical texte5338f9ed94ef632a1cf5265bab9a9cedf78fca042e049fb2222b6c7452a9fe1
Markdownbda81e3f20af78ffbe32147577e755a73765963b6046c3b5def3d4bf4f4f3350
PDF
Publication page851578931974460d75d36a4118bd258f3c8a34f3de70c2a7a581a0d407aa0547
Manifest3491c37489d709ae8c0728605918ab98b2570afb20a20220db73962af7df987f

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
SignatureWlEF7lBUpYWAGzpSBhl5hZ3iUSLEO6FlHVaCrJnlj7z4MnXPBaI06/zNyZEYOHNgDV0I59J/WniFkUy1wFt2Dg==
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

2026-09-17T11:52:31.307100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022940
observed 851578931974460d75d36a4118bd258f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.287894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022940/manifest.json
observed 3491c37489d709ae8c0728605918ab98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.261874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022940/publication.md
observed bda81e3f20af78ffbe32147577e755a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.236460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022940/publication.txt
observed e5338f9ed94ef632a1cf5265bab9a9ce...
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.