OpenTechnical

OT-2026-000058663

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line 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-2026-000058663) never changes.

Identity and time

Publication numberOT-2026-000058663 · never reused
Internal UUID01a0ae88-f39d-7af1-bcd0-49c0ab4d681d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058663
StatusPUBLIC

Content hashes

Canonical text5ca9a48ca2ba04a6b11075f67188cad40f7db6bae9cf4f78706f2d8725213299
Markdownd48affefb751d65903c9b01b7e95c7de22fa2afb95992190454cc35819da38e1
PDF
Publication page6c9ad0e888f50be711ddb376550b22b6572624c2cd16dbb197560d3e2af551fb
Manifestced23bb02011f62f0249ea0ec5538e1f85a3a3a2fb46702c3ff177134373ef1f

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
SignatureDXfu5g1E7kwTHJcc1erc0owSY9/JSmezMAJ+tO9F2UmBcj7FBDBhzofyFD6i7SYe2Ha3U05y8KIwQBBuaAyfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:10.765589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058663
observed 6c9ad0e888f50be711ddb376550b22b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.746607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058663/manifest.json
observed ced23bb02011f62f0249ea0ec5538e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.729440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058663/publication.md
observed d48affefb751d65903c9b01b7e95c7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:10.709192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058663/publication.txt
observed 5ca9a48ca2ba04a6b11075f67188cad4...
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.