OpenTechnical

OT-2026-000043572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000043572) never changes.

Identity and time

Publication numberOT-2026-000043572 · never reused
Internal UUID01a0ae7b-92cf-7d2c-9244-e9b5ffd8af66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043572
StatusPUBLIC

Content hashes

Canonical text0f59b87c3c8fb0833e0deae5b00e0956481cd3fd466008f980655072d916110b
Markdowndb88c9fe6f65f8236b51392f61c8048ea2ff865c4c7d97550648e34b7d6e5cd5
PDF
Publication page4ef27d802c8f692c51f75cd1172337b3463c1795ab274cde4dd42adaeb2093ae
Manifeste52e2d66f0b481261f31d6f40faa0bdedda2e99dc0c4de3d50bba41208f729c7

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
SignaturebjzN44bmtxQRw5hPwzahtHLgXY0ZHbeMj5FrmQ2atDMR3lBQz1AMe2SJ8CxpVboGMXhzayst8HWZobwJ57zsDw==
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

2026-09-17T11:12:58.102543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043572
observed 4ef27d802c8f692c51f75cd1172337b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.083942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043572/manifest.json
observed e52e2d66f0b481261f31d6f40faa0bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.057786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043572/publication.md
observed db88c9fe6f65f8236b51392f61c8048e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.037511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043572/publication.txt
observed 0f59b87c3c8fb0833e0deae5b00e0956...
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.