OpenTechnical

OT-2026-000050640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000050640) never changes.

Identity and time

Publication numberOT-2026-000050640 · never reused
Internal UUID01a0ae82-c7b0-704c-a91d-7943ec0402fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050640
StatusPUBLIC

Content hashes

Canonical textd12dcf952fcbf71d7e754aef72f9cef97065718672496cac52ecb51d61c0b5cb
Markdown2c8c7d42864e50c6f9fda5369f51a025b28ccc3a6b4d2999d2dd695fe9ffac22
PDF
Publication page51128a7487a19a48517ab83aec7a3e1906eb2dcfacab4f7fb56d9faf55335e66
Manifestcb49d336fd6b888605076210a8f8329ae37645a0b6d45760c013913561b1251b

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
SignatureXHGO5905qLS4tco7OQSUaH7O5QrFweqX3ROPy9hqwW9IhiZOQN5e4NQdnjPPN7x3ea8ePQB1WKWOEXeJFOQADQ==
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

2026-09-17T10:59:20.021473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050640
observed 51128a7487a19a48517ab83aec7a3e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.002667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050640/manifest.json
observed cb49d336fd6b888605076210a8f8329a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.983186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050640/publication.md
observed 2c8c7d42864e50c6f9fda5369f51a025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.963681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050640/publication.txt
observed d12dcf952fcbf71d7e754aef72f9cef9...
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.