OpenTechnical

OT-2026-000050180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000050180) never changes.

Identity and time

Publication numberOT-2026-000050180 · never reused
Internal UUID01a0ae82-5c45-71bf-9135-58c9e8f9509e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050180
StatusPUBLIC

Content hashes

Canonical text8aa145590fb565f135956e2bd637b044b53dc642ff5b2cc4c10e3db5d127af8f
Markdown50406f9867d26c5faf248f6803aa1b9ff7b318beec6afd3bb7a8873de3d716eb
PDF
Publication pageecede1f763404fdc5a87319f7f46abcb401f9aee4d0f4749dc25e393ff4f6edb
Manifest9fb42c0c3fef7ae1e452357c027179b7e4747f810899978c90059a72135dcf44

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
SignatureTu0Vl4n7lYdkpvQSz0YTnBJma2yV0MnDbmUc5mwrNHwYjbWRUuhWrHLruHu1RFIQBTBofghos55hi1/aDYBjAA==
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

2026-09-17T11:01:09.730141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050180
observed ecede1f763404fdc5a87319f7f46abcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.710510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050180/manifest.json
observed 9fb42c0c3fef7ae1e452357c027179b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.694872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050180/publication.md
observed 50406f9867d26c5faf248f6803aa1b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.678167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050180/publication.txt
observed 8aa145590fb565f135956e2bd637b044...
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.