OpenTechnical

OT-2026-000042173

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after set-down

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-2026-000042173) never changes.

Identity and time

Publication numberOT-2026-000042173 · never reused
Internal UUID01a0ae7a-5d72-7549-a399-f2a4c29f1ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042173
StatusPUBLIC

Content hashes

Canonical text23a0c89641cd0ce0ddb4db17a669933b385458473d660091427d859cfbac81f2
Markdown0db58c2628e9d103b4f636028af8355da6d92a4ff39751f5e3b208033380306a
PDF
Publication paged9100af1e42838caf31cc6cd3bc0ea96e5dc742b87fdbe6c073699e7f40d2495
Manifestfdf9431185f717b3819b6c609c6ead2650a196d5f3f2f7672c48289de2a66992

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
SignatureEnCJQ1LSTjl30ytHMeRVF6jT4Wkm1ulUS49C2W8ZrJ+Afta4XEokRrbTCbCPUaDwE6OoVcCMxafkNf86utPnAw==
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

2026-09-17T11:15:49.697506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042173
observed d9100af1e42838caf31cc6cd3bc0ea96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.679320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042173/manifest.json
observed fdf9431185f717b3819b6c609c6ead26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.659951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042173/publication.md
observed 0db58c2628e9d103b4f636028af8355d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:49.640914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042173/publication.txt
observed 23a0c89641cd0ce0ddb4db17a669933b...
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.