OpenTechnical

OT-2026-000101728

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000101728) never changes.

Identity and time

Publication numberOT-2026-000101728 · never reused
Internal UUID01a0aea4-0e17-745f-958b-fe8908d69389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101728
StatusPUBLIC

Content hashes

Canonical textcf81ea9eec266f1da11efee41f359899c96fb5f23cb6dec145f92672e342b48b
Markdown032c392be2d2d1703b02dbda23fe8fc95eecfd6584813200e99267930c293826
PDF
Publication page60f3db7ef446d9efc77276d0af47162cafe5335a624a10cad60a8c4c28687f37
Manifest429e7b75cc487942702ab3b219e403f3790a8720de9dae7b3b568145c0e63c57

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
Signaturedmb75rB1lF/2qWj0YQrNBDSIGQ2xEJhdIc8TIGr4Udpi8HPDzmgQ452H2zD+ZJc48k8nUoc97oOjHL+EioCQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:09.465732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101728
observed 60f3db7ef446d9efc77276d0af47162c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.446490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101728/manifest.json
observed 429e7b75cc487942702ab3b219e403f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.428830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101728/publication.md
observed 032c392be2d2d1703b02dbda23fe8fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:09.408754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101728/publication.txt
observed cf81ea9eec266f1da11efee41f359899...
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.