OpenTechnical

OT-2026-000099903

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099903) never changes.

Identity and time

Publication numberOT-2026-000099903 · never reused
Internal UUID01a0aea3-1473-711a-ac9a-548d88f052fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099903
StatusPUBLIC

Content hashes

Canonical text2f16b3dcc7e8a9a798069b0b1a251a7fceaf4f5fb79ac69ffc163eed67b3a47c
Markdowna71bbfa8041ce57703a7872257e67307948acfde4e347faec81456b9234ca4e4
PDF
Publication page187c0f65d170b2fa4237b1ae4d098ce62f2b4d95fad4bb1a8416c8c338a05cba
Manifest24ca4cf17a8d082cb4d94424f0466a69e6906a743a760d15d3ac8d577d839ebc

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
SignaturePo6Y6OW+hMSrfogBAEGcLnfYAabgc9kJOU/7akwZvaenYtcDYo8b8qPSOcjZq4vO/eXgr2xE6eIUp6+yP93iCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:32.431565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903
observed 187c0f65d170b2fa4237b1ae4d098ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.413421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/manifest.json
observed 24ca4cf17a8d082cb4d94424f0466a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.393302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/publication.md
observed a71bbfa8041ce57703a7872257e67307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.375357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/publication.txt
observed 2f16b3dcc7e8a9a798069b0b1a251a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.116373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903
observed 187c0f65d170b2fa4237b1ae4d098ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.099060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/manifest.json
observed 24ca4cf17a8d082cb4d94424f0466a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.079976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/publication.md
observed a71bbfa8041ce57703a7872257e67307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.062468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099903/publication.txt
observed 2f16b3dcc7e8a9a798069b0b1a251a7f...
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.