OpenTechnical

OT-2026-000027097

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000027097) never changes.

Identity and time

Publication numberOT-2026-000027097 · never reused
Internal UUID01a0ae72-3453-7776-bcbd-da28d6365cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027097
StatusPUBLIC

Content hashes

Canonical text17cbb8fd2ff917e66f9460a4eba0e959d802ea5dd605b0502e58e32684f16d1c
Markdown99adf41db8c79bb4ba892dd137fb0eafe6173ee715b2caade5e6a6e09892e072
PDF
Publication page0dc2d7b1226b925fa09f6d705f7c66e66ac467e983aa9cf0a961352d3c7bd692
Manifest121763f9cfa1523bece8a596acdca1416a65d6167c17f8f73c0531bd6ff38d2f

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
Signature54pi69B0LMjhg8xo3TlM0JhdknJzax/rHPWRGaN/04PgYVChCBXM4sMdDSZll64T5PWY0torz8Z26MXmKMnRDA==
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

2026-09-17T11:43:51.915307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027097
observed 0dc2d7b1226b925fa09f6d705f7c66e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:51.898463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027097/manifest.json
observed 121763f9cfa1523bece8a596acdca141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:51.881435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027097/publication.md
observed 99adf41db8c79bb4ba892dd137fb0eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:51.866117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027097/publication.txt
observed 17cbb8fd2ff917e66f9460a4eba0e959...
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.