OpenTechnical

OT-2026-000038152

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000038152) never changes.

Identity and time

Publication numberOT-2026-000038152 · never reused
Internal UUID01a0ae77-f88c-7631-bdb1-bddc1442af40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038152
StatusPUBLIC

Content hashes

Canonical text27e6a7208f601d23be7aaeba78ed9a47b478abfba1d48cbc64edf47ead7e9aec
Markdown43383b68a73c32cf5c4a24246f13bd530f37cf55bbe9f7f4b08bf36516187825
PDF
Publication pagec8e6aa0fb01d132b713def25718f71341a3fce88b5df679c6a0e9f982baf1457
Manifest6de9254f500521289a3e303024bef703e6c2352ed5db2536ee05d2c82c8aa1bd

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
SignatureaNlUvRWY/4vtPYUpQOFCWddM3RCp90Ih/eOuF2zATyG8zvyJ8ZJhUHBox8DBP8coaDFl/3QKZy8HZr82XUpZBA==
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

2026-09-17T11:23:30.121571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038152
observed c8e6aa0fb01d132b713def25718f7134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.104423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038152/manifest.json
observed 6de9254f500521289a3e303024bef703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.088289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038152/publication.md
observed 43383b68a73c32cf5c4a24246f13bd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:30.071419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038152/publication.txt
observed 27e6a7208f601d23be7aaeba78ed9a47...
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.