OpenTechnical

OT-2026-000022325

Publication integrity record

Four cup vacuum gripper, four 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-2026-000022325) never changes.

Identity and time

Publication numberOT-2026-000022325 · never reused
Internal UUID01a0ae6f-f4fd-76b6-9b42-4175f45bb575 · 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-2026-000022325
StatusPUBLIC

Content hashes

Canonical text1b6991ff711435c026131b39aa3d7d06e932203b49def993b3ce42773c90609a
Markdown427d87eaa0f0cf9abf8715cb1d4205137f2cf984b1268e728c0243e1ad6063c8
PDF
Publication page977f8123844d561b0c2c367f6dd7940b282c356a64e64601f65a99d681a2b170
Manifest5a73ba12580f97f560595bf4ac3f0e734286c55f1a065866f4f92753d5518c2f

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
SignatureOan4ev2ShcRfrOr6zyNMTp6/MgzK03TokRXnxnakLSUWLTZAbVgJB0l5eT3tGessQq0RcbWt6hijpUtmyun2BQ==
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

2026-09-17T11:53:41.096743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022325
observed 977f8123844d561b0c2c367f6dd7940b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.078620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022325/manifest.json
observed 5a73ba12580f97f560595bf4ac3f0e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.060170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022325/publication.md
observed 427d87eaa0f0cf9abf8715cb1d420513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.041406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022325/publication.txt
observed 1b6991ff711435c026131b39aa3d7d06...
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.