OpenTechnical

OT-2026-000010154

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off before 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-2026-000010154) never changes.

Identity and time

Publication numberOT-2026-000010154 · never reused
Internal UUID01a0ae6b-cb7a-7ed4-be3e-414d29ccc095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010154
StatusPUBLIC

Content hashes

Canonical textc118a30033cad3f715884de62270093b89c152e9c3dcb60f9420e74a0d9fd384
Markdownf97525c2d59b5b6652d337feb8b1c643f285f041122ef3ba5d47c20940fb99d8
PDF
Publication page619b044d7bbc1fbf6d11498c22b29972342f985e3eac693ca4d2a48391bc11a7
Manifest4902b4c2ad90c388187c61300173e8f67664f859e2f6d4687fd5c26a408bb3ca

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
SignatureKX6i7DW6Bg8KdzscsNzIHJ7RlpudA2cmmn+T2Iyy7jn7HJpW9lTeDNqxveibSuahYUa6Lmmt8qY8RDy8PrDBDQ==
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

2026-09-17T12:16:15.573160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010154
observed 619b044d7bbc1fbf6d11498c22b29972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.552922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010154/manifest.json
observed 4902b4c2ad90c388187c61300173e8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.530915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010154/publication.md
observed f97525c2d59b5b6652d337feb8b1c643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.510872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010154/publication.txt
observed c118a30033cad3f715884de62270093b...
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.