OpenTechnical

OT-2026-000025548

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000025548) never changes.

Identity and time

Publication numberOT-2026-000025548 · never reused
Internal UUID01a0ae71-5fa8-74e4-9b60-701b050592d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025548
StatusPUBLIC

Content hashes

Canonical text366d118f014897011ab599cbc289a8aaa7ae444b0208611b33e63c5513a77c5b
Markdown088d62eebdc1d747927cad92834c5d9636651148f9be7a47e1397f065d67b7fa
PDF
Publication page6f88dd13f1d2d3cd7a9e05be8b15bca793f17e443302dab7d0b4779b2e801ee4
Manifest47ec57aa2a378e9d0869d0d1b7c9014908416633f8e15b334943dff9432bc333

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
SignaturepJvTNMuOGW8aG3/QCxPAWwBm1e+KZiYL+RRhN1UYc3EBi21qwITxL5X3nyJVSI/9w9C65m9SRNQ5Y2OSf+AnDA==
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

2026-09-17T11:47:41.909418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025548
observed 6f88dd13f1d2d3cd7a9e05be8b15bca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.890443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025548/manifest.json
observed 47ec57aa2a378e9d0869d0d1b7c90149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.872454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025548/publication.md
observed 088d62eebdc1d747927cad92834c5d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.854394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025548/publication.txt
observed 366d118f014897011ab599cbc289a8aa...
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.