OpenTechnical

OT-2026-000042437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000042437) never changes.

Identity and time

Publication numberOT-2026-000042437 · never reused
Internal UUID01a0ae7a-5d75-7fe9-a961-12d29702afe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042437
StatusPUBLIC

Content hashes

Canonical text7f62e9bd2dc73bff39ef7432c11dd4efdefa330e1fdb6c285759034ef01db58d
Markdowndbf7bbf4883ee24fee78c4abe0e05719db4dce3db6ffcb22a6047abb83e6763b
PDF
Publication pagec0ddb0c302b5812b7840b6a5fcad51627af3fd8c30080013e9787d0e3633dd3d
Manifesta1b837d261252009a56f58cf8f076998ee878c7fa9b5fb9286628fc38ae1b600

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
SignatureNqXxz8tGXNmnmDLmCGBi4t7J+VIYpPG/Ue+PKHKIvO7BwTi7ZdDdRcP559BBVFuwHm9M8scmzhPvqHq5XSQjDQ==
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

2026-09-17T11:16:14.372194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042437
observed c0ddb0c302b5812b7840b6a5fcad5162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.355898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042437/manifest.json
observed a1b837d261252009a56f58cf8f076998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.339831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042437/publication.md
observed dbf7bbf4883ee24fee78c4abe0e05719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.320256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042437/publication.txt
observed 7f62e9bd2dc73bff39ef7432c11dd4ef...
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.