OpenTechnical

OT-2026-000023994

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000023994) never changes.

Identity and time

Publication numberOT-2026-000023994 · never reused
Internal UUID01a0ae70-aed7-766d-bbe4-b6c520590091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023994
StatusPUBLIC

Content hashes

Canonical text69339f61545e7546e89fe94bf95d2dc3c52cc4bd05d0917be0e00f3fdef6fe49
Markdowncd8f0c1d4e1617fc6a274d501369c9511fc12a975a911131f65743f773b7f534
PDF
Publication page92f5538d5492d24ce48c7886b76bb2a2731e5c00a2aa2bfbade4a6143eb37f9e
Manifest3ce950d0c6385511184a2b924c506d01f36c7aa0d2a24a2172ec057b85f75e4e

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
SignatureXwFNw1iJmmxB3o5h9lf1/scZNhDP4Pn/TeVesKq0XOW/0OpLPZ2B88HO5yEJRB7SsWgs0jSoZZWoqAoE4UGLDA==
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

2026-09-17T11:50:46.046226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023994
observed 92f5538d5492d24ce48c7886b76bb2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.023441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023994/manifest.json
observed 3ce950d0c6385511184a2b924c506d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.003927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023994/publication.md
observed cd8f0c1d4e1617fc6a274d501369c951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.982767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023994/publication.txt
observed 69339f61545e7546e89fe94bf95d2dc3...
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.