OpenTechnical

OT-2026-000087201

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000087201) never changes.

Identity and time

Publication numberOT-2026-000087201 · never reused
Internal UUID01a0ae9a-9f2e-705b-85d5-dffadba6e212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087201
StatusPUBLIC

Content hashes

Canonical text755640efa2f7545fcff221cfcdf0945652c244fc46ab5158067abdf74447aa4a
Markdown9f96743955fde20e35f85e94f7dfbad03fe51224836e2521a3522536e4be8f4d
PDF
Publication page44d90cef0c57ac62b3f1fdf7d39053f193fdb0135dfeee646d86a499845a6354
Manifest6b0d4e8c8fa08031a265066ed4cfd86f582bc262595efbe50b407867a3c1cf46

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
Signature45QlqpksHwFoq68xlQslWxeIhOAuGp/pt9IW5ljHTxypgiS3BaoQuxIYB+8U3y/x+Gs50Ugjzsy4f9p0E0N7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:28.722968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087201
observed 44d90cef0c57ac62b3f1fdf7d39053f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.705953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087201/manifest.json
observed 6b0d4e8c8fa08031a265066ed4cfd86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.688794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087201/publication.md
observed 9f96743955fde20e35f85e94f7dfbad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.671639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087201/publication.txt
observed 755640efa2f7545fcff221cfcdf09456...
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.