OpenTechnical

OT-2026-000021906

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before 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-2026-000021906) never changes.

Identity and time

Publication numberOT-2026-000021906 · never reused
Internal UUID01a0ae6f-bb5b-7100-9dd0-e2efb7bc685b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021906
StatusPUBLIC

Content hashes

Canonical textaf6267020f4a2ea708dd23d837fc59658907efbdf28c0f2346242c9fc2b5584a
Markdown2d39433441676b12934d6b89026b896caae640f727775a2a222b183f6110909b
PDF
Publication page81650e59d365ebfd2ca4400cad98402e116100e2f32f4bb30bc42f848af27b1c
Manifest0ef523c5b43d573a8f0602ae4bd0409eefca89f10651a52c7d412057cbe2e94c

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
Signature7nOw5uok+4J7tZDDldYMLBgDCtpBBzs6Lf3NOcx6bsCxDY5JsOAu1QxO8dZSHW8mPucP7vnOzxH5Ur8LWyM/AA==
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

2026-09-17T11:54:28.619499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021906
observed 81650e59d365ebfd2ca4400cad98402e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:28.602170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021906/manifest.json
observed 0ef523c5b43d573a8f0602ae4bd0409e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:28.585661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021906/publication.md
observed 2d39433441676b12934d6b89026b896c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:28.569025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021906/publication.txt
observed af6267020f4a2ea708dd23d837fc5965...
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.