OpenTechnical

OT-2026-000043105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000043105) never changes.

Identity and time

Publication numberOT-2026-000043105 · never reused
Internal UUID01a0ae7b-327a-70ac-9941-e9d8c1b9e5f2 · 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-2026-000043105
StatusPUBLIC

Content hashes

Canonical text69b8754655e16cdce29aaf0a6bf31b34d0a12cf010a3e91258b22a2d3375b5c0
Markdown4fe5f2ab4f507fb2a9ba65a16ae694ad6dc9c8657666e42807e259e044114958
PDF
Publication pagefa884d41dedf874065e5c959545809a2964cbf02d9a20298462839ecbb08f86a
Manifest2628eb17dd0a799666967658851c16ccdb13ca2626a186504e6206a160aae06c

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
SignatureGry0IM/7WoqOz3IxvmO8JHlRY7tg3bB/Rn0isAPW25bxIEBFOHPMsHJNJfI/OmxPXSB6O52dHK9Z12KAs2RgDQ==
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

2026-09-17T11:13:31.754321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043105
observed fa884d41dedf874065e5c959545809a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.737496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043105/manifest.json
observed 2628eb17dd0a799666967658851c16cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.720792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043105/publication.md
observed 4fe5f2ab4f507fb2a9ba65a16ae694ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.703403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043105/publication.txt
observed 69b8754655e16cdce29aaf0a6bf31b34...
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.