OpenTechnical

OT-2026-000041001

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041001) never changes.

Identity and time

Publication numberOT-2026-000041001 · never reused
Internal UUID01a0ae79-b10d-7622-aa5d-7905ad48a5b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041001
StatusPUBLIC

Content hashes

Canonical text9d47b7cac6c48df4fef18634e300f5d4cf055163396c066275af40f19f13a5d5
Markdown3c4e54425e7667cccd431b13f9a60718aca8401b913570aa11257380bdc9f893
PDF
Publication page8bfe3e549e3db660023ea45d9988bbab5384606e21867761674b69f4d0e61eac
Manifestea31e112bc8abc7dcc91e48cb8a2f6c81f142369f0043d4065e2b75ad9a396ad

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
SignatureXBaUQEuxy7vl9sxTHluxGxtTvRoRHA1kiwhjxl7DGwAER/1YbBJ6Zjqh8c9cW1+Ty/83S4vTeiMlAe/uveooCg==
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

2026-09-17T11:16:54.373766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041001
observed 8bfe3e549e3db660023ea45d9988bbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.357456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041001/manifest.json
observed ea31e112bc8abc7dcc91e48cb8a2f6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.342061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041001/publication.md
observed 3c4e54425e7667cccd431b13f9a60718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.324545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041001/publication.txt
observed 9d47b7cac6c48df4fef18634e300f5d4...
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.