OpenTechnical

OT-2026-000025220

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000025220) never changes.

Identity and time

Publication numberOT-2026-000025220 · never reused
Internal UUID01a0ae71-5fa6-7cf1-be7f-8df0a60fd723 · 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-2026-000025220
StatusPUBLIC

Content hashes

Canonical text99e0b3274e4bc8598bbb989ca8380e1669f9886922991167b7a135a4ecffbf91
Markdown65df845d888ff063eb0dc1108f2a6aea36aad1e77ff7e915880707ef746450a3
PDF
Publication page0d844d4fb75b770b49f9eac96c1492f533eb0dfc2102c0aad7027c999f5f29c8
Manifest9aa9f0f99816e495550de9591dbc42aea59ad2c500b41e082c4c1fac90020ed6

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
Signaturep7BJ+7l9aAD1+BMDJDVqLLnOsn1pjCB4u5Vi9BxILOdSOjLJA1BZ4aIsTaMrTnTOAh+MpuPmXTPGOwJzpYGZBw==
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

2026-09-17T11:47:13.425516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025220
observed 0d844d4fb75b770b49f9eac96c1492f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.405801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025220/manifest.json
observed 9aa9f0f99816e495550de9591dbc42ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.385130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025220/publication.md
observed 65df845d888ff063eb0dc1108f2a6aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.367278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025220/publication.txt
observed 99e0b3274e4bc8598bbb989ca8380e16...
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.