OpenTechnical

OT-2026-000081448

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081448) never changes.

Identity and time

Publication numberOT-2026-000081448 · never reused
Internal UUID01a0ae96-f375-7cbf-8960-ed532ca334a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081448
StatusPUBLIC

Content hashes

Canonical text13d27bf61b074d189b2d904ab587f60a79e3ab624cb05068d7e3cf91dcda9058
Markdownb530bd24d645345332090f02c272fee32cfc1442bf26dbdb6cbe2f32abd5dbfb
PDF
Publication pageec570db56679fd4c0523a883eb38b00aad1313ae374e04a877c721b6dda1b88f
Manifestf1b200a0c33032d197d062ce24c9455baa3c41e935b4b01bbb5e00a437584ffb

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
SignaturejgFIjGrE+eA8vv3+YWjBQe2+xY5Hk423Yuxff8pncek/p7slpQUaKC/IKqypqKOnEzIsw/TlVIeFeDpOwhAiBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:36.537598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081448
observed ec570db56679fd4c0523a883eb38b00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.519466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081448/manifest.json
observed f1b200a0c33032d197d062ce24c9455b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.501115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081448/publication.md
observed b530bd24d645345332090f02c272fee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.483289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081448/publication.txt
observed 13d27bf61b074d189b2d904ab587f60a...
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.