OpenTechnical

OT-2026-000042533

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042533) never changes.

Identity and time

Publication numberOT-2026-000042533 · never reused
Internal UUID01a0ae7a-c0cd-705c-8e90-4fad442ea84c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042533
StatusPUBLIC

Content hashes

Canonical text29832a7faaf111d2f9bfdb64bdcf5e87c2405f5c12e8b3b2f870b460dc7df913
Markdown809112f9661a69be28278f0a1cea71965ba2ab509241be71f51b4952b18610e5
PDF
Publication pagebe69cd53558108c52a8c393ff998e8dc63f19e9fdfb943ab0bf8a0d9950aaa45
Manifestea3fbcdc5857a71b7af998cbf855f49ebed059cfd0b5c4d77e9ca47040c156ab

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
SignaturePU5fWOPy/ZrAMxq9bG9LECNHNRNAHlcyJT95jHjGNnGyqeA13+q9raZaErc4L/O7ZfyRxJHhzfKmgKgLvjRbDw==
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

2026-09-17T11:14:07.387518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042533
observed be69cd53558108c52a8c393ff998e8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:07.367733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042533/manifest.json
observed ea3fbcdc5857a71b7af998cbf855f49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:07.348585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042533/publication.md
observed 809112f9661a69be28278f0a1cea7196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:07.328651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042533/publication.txt
observed 29832a7faaf111d2f9bfdb64bdcf5e87...
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.