OpenTechnical

OT-2026-000039277

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039277) never changes.

Identity and time

Publication numberOT-2026-000039277 · never reused
Internal UUID01a0ae78-9674-7bcf-b197-c383c9cb91ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039277
StatusPUBLIC

Content hashes

Canonical textac689e4b71071901861f4d35b41cd144f8ee2d49bded8ff3fc70a04b5331f767
Markdown43f4343b2a7e03b2a4e29c59e39adda27d4a0753f9746f8fb7639194e35d1e3c
PDF
Publication paged034eda8cda3f9b3194f42c44bbd812f8f1ed659160943cdfd036b9a8622fed1
Manifest48e06fb19fe5aa05b815fdf4d7065e584b8cc40fba48f124995f71fef6097cec

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
SignatureCEhqLtzhRaHY3/BTGXo3iYQZ5VyYs1MLj7NNMO1s2FSl921ECFOWbnQwUS73qPg4ws4jaAshOJTem3WZ3vcTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:49.108045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039277
observed d034eda8cda3f9b3194f42c44bbd812f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.090399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039277/manifest.json
observed 48e06fb19fe5aa05b815fdf4d7065e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.074621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039277/publication.md
observed 43f4343b2a7e03b2a4e29c59e39adda2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.037555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039277/publication.txt
observed ac689e4b71071901861f4d35b41cd144...
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.