OpenTechnical

OT-2026-000043578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000043578) never changes.

Identity and time

Publication numberOT-2026-000043578 · never reused
Internal UUID01a0ae7b-92cf-7bdf-93f5-c338891795d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043578
StatusPUBLIC

Content hashes

Canonical texte4a7272d3bd3a6c18b79349b5a59d815c5f6cc2367370a6216d66d9db9789d63
Markdown01ce5174d5e8fe0fd7d12f42802b6d35dde6d8c282459668ac6ff4eff4037c35
PDF
Publication page83b644bfd4d5beb25cd214ec10c40a655b762699c1cd140c0e32cd7cb5915c61
Manifestf8cc798ed639022048a942f74dce4b911a3bfdc1ae2c8717952245be292e2c55

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
SignatureGpSHAXBoi/r4VmylTUgnaYdfkUH/bkwZhy7OUVbQedAhDLJ8vHhaasQBD2sJC7f95DAQEMUZspVLCdVyemH9BA==
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

2026-09-17T11:12:58.574734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043578
observed 83b644bfd4d5beb25cd214ec10c40a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.558568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043578/manifest.json
observed f8cc798ed639022048a942f74dce4b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.538803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043578/publication.md
observed 01ce5174d5e8fe0fd7d12f42802b6d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.519438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043578/publication.txt
observed e4a7272d3bd3a6c18b79349b5a59d815...
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.