OpenTechnical

OT-2026-000041908

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000041908) never changes.

Identity and time

Publication numberOT-2026-000041908 · never reused
Internal UUID01a0ae79-e8a6-72a9-b9da-c14284494f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041908
StatusPUBLIC

Content hashes

Canonical texta1d3d6051524871e4356133057d10307acdc57c975aa5eac357d303b86287572
Markdown539940a8c74eb0eb0810fe7ef34a0415a4cc5d685a301a4c9c111b79474e6080
PDF
Publication page4b09bb08a2bc8bec7e5f1cd2d7a90d6f68ba1a7113b0f7dd1755a8aa8253d49a
Manifest1c44dfab48c7dccefce2c195cdeb7c1edb6eaeee7a1cd92d7f368b58abdfec28

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
SignaturerHkrAiPBpn4N4WNtT9wyL7IRv73+da9/wsc/n2cied6b2Gyqe3PH2JQl9bUGIgKA8vXFFltYnysfouMvMPn0Dg==
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

2026-09-17T11:16:47.355720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041908
observed 4b09bb08a2bc8bec7e5f1cd2d7a90d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.339642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041908/manifest.json
observed 1c44dfab48c7dccefce2c195cdeb7c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.322981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041908/publication.md
observed 539940a8c74eb0eb0810fe7ef34a0415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.305652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041908/publication.txt
observed a1d3d6051524871e4356133057d10307...
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.