OpenTechnical

OT-2026-000062797

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000062797) never changes.

Identity and time

Publication numberOT-2026-000062797 · never reused
Internal UUID01a0ae8c-6389-7049-bb4a-f66c7839e30e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062797
StatusPUBLIC

Content hashes

Canonical text0de1432fdbb64fa3e49aeaeeef5381ffcb7e83b983eea1ad20f9f58535245568
Markdown2472f4705730583242745aafe73a3ac5b5fffd02ead8dd03342b959990382363
PDF
Publication pagedb580773e8c8d1c6f9fd7b832058275ceac69ca11e1069dcdce5d68ecc28c01e
Manifestb389bcdf3e2da98cc59e3da64a0ae78df754826bfa1f915e56c3b07ec158eb38

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
SignatureZLgd6M3HSxXB8CTyi+MvrXwCV6w8YVNavJSEZWYgeqLQKOUEd621T+pSnEdgJAG5gdhNNcqJdKH/Nk0kaZshBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:23.393527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062797
observed db580773e8c8d1c6f9fd7b832058275c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.375186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062797/manifest.json
observed b389bcdf3e2da98cc59e3da64a0ae78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.356355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062797/publication.md
observed 2472f4705730583242745aafe73a3ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:23.334192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062797/publication.txt
observed 0de1432fdbb64fa3e49aeaeeef5381ff...
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.