OpenTechnical

OT-2026-000061392

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000061392) never changes.

Identity and time

Publication numberOT-2026-000061392 · never reused
Internal UUID01a0ae8b-7b42-77c0-8a17-c3411efce084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061392
StatusPUBLIC

Content hashes

Canonical textc58d99246f6729692cad764830fac8cdc956364041e4c168089c32b08a1e15c8
Markdownd50b361fcb4610fb791d570cda8753a3eb66639282a00571eccf878eb28f6762
PDF
Publication pagec1853b415ba7cdad646e334793e6b3f0cea1827a8b578632ec37170bb1ae7ad1
Manifest875078ac831bd7d4a7279753ee2bad0f4d854bad4ce253675c7a8eebd26a2a8d

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
SignatureZxXCKcCoMl5ogGwlzwkn4xue5/iMsydUzrQ8btu5p7v8ECt46zrdK+aoEr5uVlHAzGaxckHOvvB4Ou8GyC+YBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:15.189579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061392
observed c1853b415ba7cdad646e334793e6b3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.173359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061392/manifest.json
observed 875078ac831bd7d4a7279753ee2bad0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.156401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061392/publication.md
observed d50b361fcb4610fb791d570cda8753a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.138910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061392/publication.txt
observed c58d99246f6729692cad764830fac8cd...
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.