OpenTechnical

OT-2026-000048965

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048965) never changes.

Identity and time

Publication numberOT-2026-000048965 · never reused
Internal UUID01a0ae81-134c-7b8d-bfe4-fce0627f2b87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048965
StatusPUBLIC

Content hashes

Canonical text4c56ca46565312b41bc24aecbe3d15ad77930c19ddfcb1f37f2dbc407bc069f6
Markdownf572b59a10685554740f943f1f4ebd9c384ac7be5f3ffccbe69110efb839873e
PDF
Publication page6395042e82a079b76b140648de14a5c6329a48a08748fb1fec97ab188c38bbb9
Manifestbb0adf763ba0dad8fceb482dc74c43399410833e59afb11ace9750b9cf018968

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
SignatureEtvQ/lr/GeHUUiy53t4M4dF5OSiH9FEzaD0TV+2p6ZXip0U2HehixPkabRVcIZBV7JJxToVj4UUxGYNgr8vPCQ==
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

2026-09-17T11:03:09.805551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048965
observed 6395042e82a079b76b140648de14a5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.786387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048965/manifest.json
observed bb0adf763ba0dad8fceb482dc74c4339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.766584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048965/publication.md
observed f572b59a10685554740f943f1f4ebd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.748216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048965/publication.txt
observed 4c56ca46565312b41bc24aecbe3d15ad...
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.