OpenTechnical

OT-2026-000042384

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000042384) never changes.

Identity and time

Publication numberOT-2026-000042384 · never reused
Internal UUID01a0ae7a-5d74-723f-b394-0f86dcc69499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042384
StatusPUBLIC

Content hashes

Canonical texte0f955d7b897a9f7584442e164681434016539a68b4c2eb3a0bb402fa33e04e8
Markdowne0262eb97a50d7fa816df391ba3442b7182173b45156bd5fe5f0ea1c832eb1e2
PDF
Publication page483fb0128f68193705148a9ab32b0067b8ddf23665da369083d9badb0ee9dc65
Manifestdda231849d258cdb695ba22e0d4739ba21825059c3aacc13922bf9f73c2c89e6

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
SignatureRv1jVb4LqNkv4V9o0MGON2yXyOJvx1KRnVsU0bkuuioTXncYciKRXGcqi3ZxZ39z7VFC8/PrYVIqOwjYS1LeCQ==
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

2026-09-17T11:16:10.572056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042384
observed 483fb0128f68193705148a9ab32b0067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.554294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042384/manifest.json
observed dda231849d258cdb695ba22e0d4739ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.535268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042384/publication.md
observed e0262eb97a50d7fa816df391ba3442b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.517760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042384/publication.txt
observed e0f955d7b897a9f7584442e164681434...
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.