OpenTechnical

OT-2026-000058231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000058231) never changes.

Identity and time

Publication numberOT-2026-000058231 · never reused
Internal UUID01a0ae88-6edc-7622-a488-331b85b1bd9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058231
StatusPUBLIC

Content hashes

Canonical textfb9a16144ac666e6a7f1cb45df4b01eae3ff647df08078daf874ded7054ed818
Markdown814762a78d80901ee7c6b675a60f09825f27beaa809cc39f3dedc1ffcef0863b
PDF
Publication pagee132de0ef585dc67832df644b9021b21e940299a4f3be81e23ed00f7ae7ba8c3
Manifest0e840df4d4bb5182adbe3d6715ae770e452791f02e9e48a853a5ba0f6272c56c

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
SignatureMIr9GyoCZK94bfTFb8FF1dnEusbMLcQeeUXRW8gsz/nSH00mK36hs1vHgyUWb2qZC51ahZOaVsrMA+6q56XoAA==
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...

Independent retrieval

2026-09-17T10:47:56.447833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058231
observed e132de0ef585dc67832df644b9021b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.429812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058231/manifest.json
observed 0e840df4d4bb5182adbe3d6715ae770e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.412029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058231/publication.md
observed 814762a78d80901ee7c6b675a60f0982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.392498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058231/publication.txt
observed fb9a16144ac666e6a7f1cb45df4b01ea...
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.