OpenTechnical

OT-2026-000007154

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified, vented 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-2026-000007154) never changes.

Identity and time

Publication numberOT-2026-000007154 · never reused
Internal UUID01a0a974-ab2b-71ed-a21e-1def3ebeef97 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:10.656060Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007154
StatusPUBLIC

Content hashes

Canonical texta885260e5018c0876b37a698a25863c003b57bf69d74395d3bd81fa4a8200e09
Markdown95e167f778ec0069f468ea6b92040974407e649c1afa1c6b6f95ab0d8a2a62fa
PDF
Publication pageb6f0df9d98a788ba8a6747eccf558566bc19cf2578f6873222261ec1dc0ddc85
Manifest8fed3eccfee02047a4bfb7dc906e9971904f2c81b824cb930dd678844c46eb10

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
SignaturevAmkKVoPufOBPzNPKPVYybiBUOD09dYdu1I2iQZTsY/JKxA5pyPnTOzQ6eKQ77usSeR6eP2aCwFijCZsCAEZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:21.244619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007154
observed b6f0df9d98a788ba8a6747eccf558566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.232788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007154/manifest.json
observed 8fed3eccfee02047a4bfb7dc906e9971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.220272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007154/publication.md
observed 95e167f778ec0069f468ea6b92040974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.207083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007154/publication.txt
observed a885260e5018c0876b37a698a25863c0...
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.