OpenTechnical

OT-2026-000047899

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047899) never changes.

Identity and time

Publication numberOT-2026-000047899 · never reused
Internal UUID01a0ae7f-c421-7ed5-bd64-6f8a240773bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047899
StatusPUBLIC

Content hashes

Canonical text09c637e7ebcaeda6009bd790de85add341fa47b7eace52e5a14e19f16cf435b0
Markdown57044698acc8a269cbcaa654c485a00efd2aef81474e7a8a55987e85e976549e
PDF
Publication page92d2ff17d9082c775c9a1e8a10d767fe7ea4c3e8cda872f8dc828761581a523f
Manifest57db4be95f4a2c32031bdbabd61ea2887fe932f8aa41c8a96bf3283de274ab6e

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
Signature5fBKcNCvP0sHt5uDv2OkkcoFZ5dcr0YQXVMmLQkNgFg5fe4SYk9FV3vifOSVOUipnCI9/m1TZOYSK/V7shTLDA==
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

2026-09-17T11:05:50.358169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047899
observed 92d2ff17d9082c775c9a1e8a10d767fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.341495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047899/manifest.json
observed 57db4be95f4a2c32031bdbabd61ea288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.323517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047899/publication.md
observed 57044698acc8a269cbcaa654c485a00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.302834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047899/publication.txt
observed 09c637e7ebcaeda6009bd790de85add3...
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.