OpenTechnical

OT-2026-000043159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000043159) never changes.

Identity and time

Publication numberOT-2026-000043159 · never reused
Internal UUID01a0ae7b-327b-7a4a-8e14-caa907c24438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043159
StatusPUBLIC

Content hashes

Canonical text4ed6bc4702b5d31b84e54215641ce96b0b101d781fdb39deff2f18e6c267a08f
Markdown11329e72773734ba4bb1f5158816ff11c3905c34db64ee990bc90f95a6e4a491
PDF
Publication page5d0bc2c2bf9162be1bfb1d1aa93ba7ee5007656c2df069f2830fad47c4382342
Manifest2ab41dc6d6fdec7188f0a5713a620be62335ecfc0d5d529b9b463e9c291aabb7

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
SignatureQ+SxgdQCuAx7evOLRVgH/1xV6wI/fOW3kM+iBciduLl9TfCf/XQBkP6uYDRmUdtLlNnQY32lUzifG8yC7bqbDg==
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

2026-09-17T11:13:36.139767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043159
observed 5d0bc2c2bf9162be1bfb1d1aa93ba7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.122352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043159/manifest.json
observed 2ab41dc6d6fdec7188f0a5713a620be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.105013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043159/publication.md
observed 11329e72773734ba4bb1f5158816ff11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.086295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043159/publication.txt
observed 4ed6bc4702b5d31b84e54215641ce96b...
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.