OpenTechnical

OT-2026-000046049

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000046049) never changes.

Identity and time

Publication numberOT-2026-000046049 · never reused
Internal UUID01a0ae7e-0329-7b7e-b859-29ec76f6d3ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046049
StatusPUBLIC

Content hashes

Canonical text4426ecadaf1fc845c2418e9bd72493a4496768cc73c86f3367e88c2b0146c4d7
Markdowndf2b8fc5c752c345e0c72e585a3488c327aa465737e7e1a269fe744ae7385b24
PDF
Publication pageeb5a075c36351b6a97ddd885e47fc6fbf4c2a705be98657f90174d3f9255944a
Manifestf6bd5f1725f683fe52a297ba48608e3e7b0beb896ea1449e248998a6941970d0

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
SignatureqbY/crP/cVEtA2DcwdXzUEGdXgUbSopmltGneVJh5l2f50PtpDvKNqSgyl5a0Jy9SUZGwdHG1cLGJsBWb9VGBg==
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

2026-09-17T11:09:00.298835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046049
observed eb5a075c36351b6a97ddd885e47fc6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.277540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046049/manifest.json
observed f6bd5f1725f683fe52a297ba48608e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.256764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046049/publication.md
observed df2b8fc5c752c345e0c72e585a3488c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.236360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046049/publication.txt
observed 4426ecadaf1fc845c2418e9bd72493a4...
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.