OpenTechnical

OT-2026-000046572

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000046572) never changes.

Identity and time

Publication numberOT-2026-000046572 · never reused
Internal UUID01a0ae7e-57dd-70a3-9360-cfc32a253243 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046572
StatusPUBLIC

Content hashes

Canonical textd66455edfd53382c6388e014b5f4f82a3148e04d9a23a2d5817774a55b0131e7
Markdown22cf46fb152040a591245282840d9d8531460e8ec5ee04c1bc187405b85e66c7
PDF
Publication page726456c832da5273dc4064ef8c893371254d765842941ceadf64a61261f477b8
Manifest402c924f050984efb86aa6482dd9c586d2f145e4d70c091753e5acef92760c1a

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
SignatureBa0hyB0g6F2U0y1VdSP6t7jJ4LtwSYfGHBgPNMy7Iaj9cVZFI62WXInytWlLaPNw8j23F6WXMHqs/f6lfDSoDA==
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

2026-09-17T11:08:38.377802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046572
observed 726456c832da5273dc4064ef8c893371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.359859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046572/manifest.json
observed 402c924f050984efb86aa6482dd9c586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.341672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046572/publication.md
observed 22cf46fb152040a591245282840d9d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.321636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046572/publication.txt
observed d66455edfd53382c6388e014b5f4f82a...
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.