OpenTechnical

OT-2026-000007194

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, ejector fed, polyurethane cups, flat form

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-2026-000007194) never changes.

Identity and time

Publication numberOT-2026-000007194 · never reused
Internal UUID01a0a976-14f5-7a15-b5f4-c292679529e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:43.256359Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007194
StatusPUBLIC

Content hashes

Canonical text2a0a37118ac6c97a1de6e66f2efe540e7c6f18cb5b69c074794af639b3427781
Markdown164a963125a65d87e25d312238f050fd83318d3ba4a46e11681735d8db1732f8
PDF
Publication pageb8266acb4791cea2e1e744a1a4f023774bdc68eac9fad4d47246f9b4f8a25bf5
Manifest720598ab358a0f07cfe4765a1e893299c09c2c40490e372fb7e6fded6d92dd60

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
SignatureeWesNADDWhEDVK88uhAG6HyNKtpVWulIcReZHxy/N1XQjTAqITXQTdrZvV31wvwxxcgJEWluhprwPSizv6LUBQ==
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

2026-09-16T09:10:17.204512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007194
observed b8266acb4791cea2e1e744a1a4f02377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.193265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007194/manifest.json
observed 720598ab358a0f07cfe4765a1e893299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.181705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007194/publication.md
observed 164a963125a65d87e25d312238f050fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.170556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007194/publication.txt
observed 2a0a37118ac6c97a1de6e66f2efe540e...
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.