OpenTechnical

OT-2026-000057040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000057040) never changes.

Identity and time

Publication numberOT-2026-000057040 · never reused
Internal UUID01a0ae87-d5b6-7c36-a9c1-249d0d232d3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057040
StatusPUBLIC

Content hashes

Canonical text323ba553c8ec32fb9ce397afaf2662837e86bd38fc985e8ad44b8afc478b0704
Markdown3228575dffe18363472c3f169a7b38a1bc8aad1d11f056248dea58cdf0a50566
PDF
Publication page113efbb8c8add86b38a797724aa9b6b03602ed219131ea731a6dfd08bf3893ac
Manifestc4b891a19860d7df59c3ed1379a5c3c2f4ad23e5fedfdbe30aa5d2b0823ae959

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
SignatureLCZVumvG5hWVydWavVRHkZUh3tr5I6o5R3kH5wf6HXSdnTUbgRkfY4vlhPgGtSuPv4v+rOYdry+sndewkHvlCg==
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

2026-09-17T10:48:31.393564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057040
observed 113efbb8c8add86b38a797724aa9b6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.377322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057040/manifest.json
observed c4b891a19860d7df59c3ed1379a5c3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.358480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057040/publication.md
observed 3228575dffe18363472c3f169a7b38a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.340510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057040/publication.txt
observed 323ba553c8ec32fb9ce397afaf266283...
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.