OpenTechnical

OT-2026-000093600

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000093600) never changes.

Identity and time

Publication numberOT-2026-000093600 · never reused
Internal UUID01a0ae9e-508b-7a0d-815d-c476876b459d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093600
StatusPUBLIC

Content hashes

Canonical textcdac64e23e64de0463012d25b5e360624caf69610b8ff64813b552c5f99739d9
Markdownf6a3bef6c419cebfcd54a80e72630a99161d9339f000a8aca6476a26257e92f9
PDF
Publication pagece447e058de4a476f28fee6019dd7e48bc8c099ecf88669faff55d6e2d03a90c
Manifestaab877ef689ca83a69df1830f420618d70da3e7d20384ae8f821d3f3d4755e07

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
Signature8MkdlDDmld6Mc3v60g6iKenNv/REcMPPyE5Cxbx/PduSCzUf3nWEQEdDUVqXOGJLcoQqSfZXIkR3uH1sX2XrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:38.544382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093600
observed ce447e058de4a476f28fee6019dd7e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.526615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093600/manifest.json
observed aab877ef689ca83a69df1830f420618d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.504380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093600/publication.md
observed f6a3bef6c419cebfcd54a80e72630a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.484415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093600/publication.txt
observed cdac64e23e64de0463012d25b5e36062...
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.