OpenTechnical

OT-2026-000092718

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000092718) never changes.

Identity and time

Publication numberOT-2026-000092718 · never reused
Internal UUID01a0ae9d-b5ff-7ce9-bb92-e6dff1263711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092718
StatusPUBLIC

Content hashes

Canonical text9e2d359e18f86e516230ec55ce8000adb1ec7853634dabb1bbd9b32a140f18b6
Markdown5880184b9c9e0098b5be86bfa96af47978b68982c28a29140145890534367206
PDF
Publication pagec933453b01bb5b4a7ba6770bc7340b5de0dcca0a6b705b5206d99a78d83dfedf
Manifestff50e511e6235bba6f233f1310445a698efdb0f0d7f821bdd8e934883a3c8b3c

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
SignaturenqqPwhR95DbYbXsILIR+Z1A+i2YMau3hiwbllCxtF7Ip1XwBJVyg+YOcjPwakLHVeHMo+Yb5KDVEwoZLfmYwAg==
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

2026-09-17T09:41:20.450439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092718
observed c933453b01bb5b4a7ba6770bc7340b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.433426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092718/manifest.json
observed ff50e511e6235bba6f233f1310445a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.417789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092718/publication.md
observed 5880184b9c9e0098b5be86bfa96af479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.401033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092718/publication.txt
observed 9e2d359e18f86e516230ec55ce8000ad...
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.