OpenTechnical

OT-2026-000092992

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000092992) never changes.

Identity and time

Publication numberOT-2026-000092992 · never reused
Internal UUID01a0ae9e-090f-7407-a67c-49d4337a82d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092992
StatusPUBLIC

Content hashes

Canonical textd48df45e30205a0d10b20435d1624540253813b08a80b0b58027c4da523fceeb
Markdown92d4479ff9ed42920e9605f282551f74e336aa7f05fa1e9be3b222c3b849c157
PDF
Publication page1d69b2de30d3b73abdd94ed542af1cf4f64c9d6aa7e4fa972b3842302449635d
Manifest713832a8e3db6e7bb5c40c9987d8415733cbf6c7384ae9b55e56ea9cf56bd01c

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
SignatureveCEb+vC6vEyU0DmqIIk+LFJBxWHZyW7dQJdoHSbTCHNI4EYnplWDzWwk35e+zYslXn4V6DVQsiFSRviPC6rCw==
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

2026-09-17T09:40:11.684724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092992
observed 1d69b2de30d3b73abdd94ed542af1cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.666142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092992/manifest.json
observed 713832a8e3db6e7bb5c40c9987d84157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.646807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092992/publication.md
observed 92d4479ff9ed42920e9605f282551f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.629114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092992/publication.txt
observed d48df45e30205a0d10b20435d1624540...
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.