OpenTechnical

OT-2026-000030482

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000030482) never changes.

Identity and time

Publication numberOT-2026-000030482 · never reused
Internal UUID01a0ae73-e504-7437-84ca-afd7c2c8974f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030482
StatusPUBLIC

Content hashes

Canonical text139a1622843a7a8ded42eeb7a69a35d1b1ceff175258819102e37dbcb4ac76fe
Markdownb3b44dee241c68238ad14d31218a719de4ca01d83902481d04aa6e82b737b21f
PDF
Publication page4a5f8368de1dc19965ecd2912664b4fd529d4fafa4ddcc014883462ce59a2497
Manifest0bfa17b96e362481c8cd02b08fb8bf2ed081ed57e2e65f12da7368da9994065f

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
SignatureaB29OdEefDOmKzaNWjfxlsnDEtptmMajXVKnXg7pWu3CNjSVWvz2dkhGkU4qkUPGAznrhHfc5NCnFOjC8h0xAg==
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

2026-09-17T11:38:19.885827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030482
observed 4a5f8368de1dc19965ecd2912664b4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.869214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030482/manifest.json
observed 0bfa17b96e362481c8cd02b08fb8bf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.852500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030482/publication.md
observed b3b44dee241c68238ad14d31218a719d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.831091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030482/publication.txt
observed 139a1622843a7a8ded42eeb7a69a35d1...
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.