OpenTechnical

OT-2026-000022523

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000022523) never changes.

Identity and time

Publication numberOT-2026-000022523 · never reused
Internal UUID01a0ae6f-f4fe-7827-8346-7d01c3ac5d14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022523
StatusPUBLIC

Content hashes

Canonical textdb62ae10d2f7744c92b2f7feed0ac5018452be89b9adb3c53d8cdd97fffa3d35
Markdown06e73d4766f074f826b131b71b7adb885b95b097e4047465b21358db42b14b3b
PDF
Publication pagea1d2aa9c9772016c505f4912729c387ebeafc38f267ccf6be88894e6b01db2ce
Manifeste44462e96db5b0acb023476218f29a98339495bb561bb7d8a2a69e5414bdf4fd

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
Signaturey0eUGqyefp+y5/MMDy1XR0vcgfGalyLDgQbJffosfZQcuRgnDcSEsx9jqp3U8QxWY+SuPqJIv69UGubmMxMqDw==
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

2026-09-17T11:53:57.265899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022523
observed a1d2aa9c9772016c505f4912729c387e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.247683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022523/manifest.json
observed e44462e96db5b0acb023476218f29a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.230736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022523/publication.md
observed 06e73d4766f074f826b131b71b7adb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.214129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022523/publication.txt
observed db62ae10d2f7744c92b2f7feed0ac501...
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.