OpenTechnical

OT-2026-000018824

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000018824) never changes.

Identity and time

Publication numberOT-2026-000018824 · never reused
Internal UUID01a0ae6e-d521-7998-bcb8-195eac13d75b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018824
StatusPUBLIC

Content hashes

Canonical textbf737ee46e5c2063f5301fb7878daa6ec31b0de86b9ef028459294e8fa5fe85c
Markdownba0d1aa236c9d9311d78d45b392fdf4032fac6970cd22a7ebca90d34a91b30c8
PDF
Publication page19118e550e6d3c67590062a5b8af6ecfcf4af752115922436be42ba655289d4e
Manifest110d67d2deaaf23cfaa7370c963f50475d0f9b83dfd511a05c2b2865d6f8ea34

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
Signatureo/1hIRsvQxdRu9fEDn9jICKnKlMufUJbAH7QZhR79U0h87TGHM6wqy1AJhfznZ3qg/Qx/nn2Qv/QYLGiW8ayAw==
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

2026-09-17T11:59:27.496513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018824
observed 19118e550e6d3c67590062a5b8af6ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.476945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018824/manifest.json
observed 110d67d2deaaf23cfaa7370c963f5047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.457965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018824/publication.md
observed ba0d1aa236c9d9311d78d45b392fdf40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:27.440623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018824/publication.txt
observed bf737ee46e5c2063f5301fb7878daa6e...
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.