OpenTechnical

OT-2026-000045682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000045682) never changes.

Identity and time

Publication numberOT-2026-000045682 · never reused
Internal UUID01a0ae7d-8f04-7661-95f4-f6f9f62249af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045682
StatusPUBLIC

Content hashes

Canonical textedec4a49b344e2903c409df7a3f1d3580b993a2bd460d36a2c2712c094d19bea
Markdown2e10284f5900b42a8843890d013c324e5a3813cbbcef6cb5f5828d0c15947b1b
PDF
Publication page1e173382ad569dd866b260189037b703edd4074492979b3b523477b5bcf72321
Manifest338be4df6e73bb9aa3b93e95017d75abe87a45af75e506dd0079995505ed1d40

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
SignatureONWTGlgqTujU7H0PVBNOfXobjkMXRznY1kDs2Z27XsCX30z8qUX5DhXZJpp6Uu1dzurSkamI+8R7Y3aeKlWGDQ==
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

2026-09-17T11:09:28.954773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045682
observed 1e173382ad569dd866b260189037b703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.936148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045682/manifest.json
observed 338be4df6e73bb9aa3b93e95017d75ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.917815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045682/publication.md
observed 2e10284f5900b42a8843890d013c324e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.899730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045682/publication.txt
observed edec4a49b344e2903c409df7a3f1d358...
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.