OpenTechnical

OT-2026-000022359

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022359) never changes.

Identity and time

Publication numberOT-2026-000022359 · never reused
Internal UUID01a0ae6f-f4fd-79c3-8c66-84973aeff423 · 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-2026-000022359
StatusPUBLIC

Content hashes

Canonical textcac7704f33cbdd27523579ebe8b9c8c49b3c492da82dc40922b80f0e9c694c36
Markdown439dc3233c78156a9f26e3cdf58faabe9b877599b4f17f062837e43af2771d07
PDF
Publication page474f3e2da7b57dae8a278b4e70aa21b4c68437b1c236435d4b4013d6f4721856
Manifestd1581c1df60b11fb0c3aff7535f57147dd964b22e7f9ebd6d5c5fbdf24ab4f0d

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
SignatureLrjGEEPHGIMQ9rYFfVOmLL+ljICjjLrC+Sk2NIA5k2Hm8XJGQs2v0s7xb+IuiDn96lSQRFZGnAruxBgHQy6cCA==
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

2026-09-17T11:53:43.569696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022359
observed 474f3e2da7b57dae8a278b4e70aa21b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.550994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022359/manifest.json
observed d1581c1df60b11fb0c3aff7535f57147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.534341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022359/publication.md
observed 439dc3233c78156a9f26e3cdf58faabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.516839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022359/publication.txt
observed cac7704f33cbdd27523579ebe8b9c8c4...
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.