OpenTechnical

OT-2026-000042209

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000042209) never changes.

Identity and time

Publication numberOT-2026-000042209 · never reused
Internal UUID01a0ae7a-5d72-794a-b1db-e0c96463cacc · 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-2026-000042209
StatusPUBLIC

Content hashes

Canonical text5c6f84832fe2d62974dde0a5c9e4b72986f1a1048a5d5509a13570ad8590f434
Markdown9b4ac19a4b14805ba39cbee22ffbf23a4e37e19c93560a19a9fc62440962d52d
PDF
Publication pageef1863848aa5b30944a2b5ada8a9fc8d452b9e283662270405fac951d715179f
Manifest1341c6b56d8ec0780d559b5eabd3363e632f5b29eb8ff2a1a26bd36aa05d626f

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
SignaturepUgpiQ/U0RBoAF7QreBtLoOkBe9s0MnH7OLFrFfpSJWSg9dk5phXwzfDLMkOkTjweByINR747rAm/pL5kn4+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

2026-09-17T11:15:52.718774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042209
observed ef1863848aa5b30944a2b5ada8a9fc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.701274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042209/manifest.json
observed 1341c6b56d8ec0780d559b5eabd3363e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.682487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042209/publication.md
observed 9b4ac19a4b14805ba39cbee22ffbf23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:52.664707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042209/publication.txt
observed 5c6f84832fe2d62974dde0a5c9e4b729...
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.