OpenTechnical

OT-2026-000009774

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000009774) never changes.

Identity and time

Publication numberOT-2026-000009774 · never reused
Internal UUID01a0ae6b-7565-767b-a336-2c90cf351fb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009774
StatusPUBLIC

Content hashes

Canonical text4987c779408c62686fc6099929b202a77d635b91241e438108dd29c680a978f5
Markdowncd3b3a55724399b4c93bb72f0ecca67efe8cdcd802b4fe3c9c591b1709d75ee0
PDF
Publication page9664da712d1ff7165b7ec911eb501a09c8999291cbfec4c35d973bcc4f4a82c0
Manifest0ae43bc919f864dfbab7c4bc959a39c63db4798272302def2fbc97ac85efba4a

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
SignaturemWCVevHLaawPCCCgLuK7/rqY+CvFwdB5PrfxC3i1cQ77xjXQWv7epC44wV57AgdKjY+qwT0sBM+x07lQYshVBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:17.241715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009774
observed 9664da712d1ff7165b7ec911eb501a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.221226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009774/manifest.json
observed 0ae43bc919f864dfbab7c4bc959a39c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.203597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009774/publication.md
observed cd3b3a55724399b4c93bb72f0ecca67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.184039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009774/publication.txt
observed 4987c779408c62686fc6099929b202a7...
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.