OpenTechnical

OT-2026-000025850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025850) never changes.

Identity and time

Publication numberOT-2026-000025850 · never reused
Internal UUID01a0ae71-a83e-73f5-b9f0-b972bc875136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025850
StatusPUBLIC

Content hashes

Canonical text9f7f9817151d2020d68dc36da443401978cdb6fde1a3db6cf77c7b94adcc71f4
Markdown59634428a98f9617a90f7fdbeae8da86017cba0462e22e6e39e7ebb220031b8b
PDF
Publication pageae57577383ec634cf6147a08854953e2a6b1f8d6ae1ef6a0615e152c85d1c0e9
Manifest2087d747aeedf3db9d72616dfba5908c3fa342038642ab00ccb51beceea42268

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
SignatureMfMtbjsEbpoOlnMxBXsM2mwaoIcHjN39755Gg05sz0KuUiIrIEa0EuAo6783jgCOm8bpR+NJw6dtILNNbWM3DQ==
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

2026-09-17T08:43:57.547346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025850
observed ae57577383ec634cf6147a08854953e2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:57.243174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025850/manifest.json
observed 2087d747aeedf3db9d72616dfba5908c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:56.994068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025850/publication.md
observed 59634428a98f9617a90f7fdbeae8da86...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:56.490081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025850/publication.txt
observed 9f7f9817151d2020d68dc36da4434019...
fetched by grabo-systems from 34.44.131.203, 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.