OpenTechnical

OT-2026-000052352

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052352) never changes.

Identity and time

Publication numberOT-2026-000052352 · never reused
Internal UUID01a0ae83-e792-7cca-84a5-8c45ec4e9246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052352
StatusPUBLIC

Content hashes

Canonical textf6727bff594f8d26d38824a20d31e7a3847c6690b5d3a9d3b5044950137032c4
Markdown44c8cd8251dbb4c7afcc66a7ef888038d92b204273a941649a6f82610c53032a
PDF
Publication pagee38cc4f8be3e1e7a57c664c8f67c0d92d9d8b4df887e2f0cf851212dd41b3c84
Manifest67ef6c9e810086e754f8cf5a6f5b895662db3301a18d51028e65a697efdc295e

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
SignaturetCtLQG6sQ+Db6sb6wLP9yO9oDK8Wu+hRx9iUuXA8jJmCTvGLmpxG9hbVrarv8E3z1uGUpReHaKoBuFcb7Sn+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:02.875347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052352
observed e38cc4f8be3e1e7a57c664c8f67c0d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.857427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052352/manifest.json
observed 67ef6c9e810086e754f8cf5a6f5b8956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.838422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052352/publication.md
observed 44c8cd8251dbb4c7afcc66a7ef888038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.820730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052352/publication.txt
observed f6727bff594f8d26d38824a20d31e7a3...
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.