OpenTechnical

OT-2026-000022009

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000022009) never changes.

Identity and time

Publication numberOT-2026-000022009 · never reused
Internal UUID01a0ae6f-bb5c-7dba-887e-c1ef9fc23371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022009
StatusPUBLIC

Content hashes

Canonical text73f177b909f3d59452ae030a4f1f99727ce511e1c0686b1ce855671df4af3106
Markdowneea546f10cca197f3b132325d42aa96800562f9ab580db6c7e2270999ea7bcaf
PDF
Publication pagef50854da8527596650e29981f3c88d83cac38b1a9477cdc72348897ea3ee33e9
Manifeste81df9c86ed556290602cec8f045cc6bf1caf4a092cac4722c73fa28d9383beb

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
SignatureGwp8D0viu1QTVp5F4Ie0qeSPzeHkZwDu8cXvtvREiS82neqwx2C8Zr6jFbdp2nHetq0oEN/Pd2Ho0pAodaM/CA==
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

2026-09-17T11:54:41.432888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022009
observed f50854da8527596650e29981f3c88d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.417018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022009/manifest.json
observed e81df9c86ed556290602cec8f045cc6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.399392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022009/publication.md
observed eea546f10cca197f3b132325d42aa968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.381797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022009/publication.txt
observed 73f177b909f3d59452ae030a4f1f9972...
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.