OpenTechnical

OT-2026-000045317

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045317) never changes.

Identity and time

Publication numberOT-2026-000045317 · never reused
Internal UUID01a0ae7c-f76b-7f5d-939e-3b0b4b68dd71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045317
StatusPUBLIC

Content hashes

Canonical textfa859f3c13dd69b9015f373fcdde5e58478ab50ffcd0f121be66c09e62d9606c
Markdownb209e4ba6640d3d01e7217e8b5a15dee3bd81f91b802d39c410f88125270d6db
PDF
Publication pagea12f0f707574c13d9219e8c729dccc41bd67d8ddb4afef54144638b7ef694c08
Manifestda029ca1d097cc6e67838e0e1add182493aaeb0ea3ef2b70428556401d93dde4

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
Signature1qAPOWvHu4oT+Bi90pWo80OexVFIopIQyY97AwoSEHKv8HXjcceALYYOXvi/8iOiAEdJzF0bdRmQW/JUsIniDQ==
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

2026-09-17T11:10:34.120048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045317
observed a12f0f707574c13d9219e8c729dccc41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.099808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045317/manifest.json
observed da029ca1d097cc6e67838e0e1add1824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.083207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045317/publication.md
observed b209e4ba6640d3d01e7217e8b5a15dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.064201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045317/publication.txt
observed fa859f3c13dd69b9015f373fcdde5e58...
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.