OpenTechnical

OT-2026-000010281

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000010281) never changes.

Identity and time

Publication numberOT-2026-000010281 · never reused
Internal UUID01a0ae6b-cb7b-703e-8335-094fef895d61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010281
StatusPUBLIC

Content hashes

Canonical text64517aa0a9614916b5ca998c7be7dd700a07edc135a526adf7d8e9d50f584b40
Markdown234124d89316b2c76410d907f4fe58ac1813145696d8e4beacd0a7796f2b266b
PDF
Publication pageadc239987238b335b94b7254bde5ed9b56cd910cf0e754b5b252447a74b3538a
Manifest6e92cc12591bb3bb6f9658b2d29ffbf6694f2bae3fcd51052777128a4ccf301c

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
SignatureW+5ccJQkzigu2AJUOnEIVdS3WxvnViGp3YX7qlXSSalf5nxecskmrzVd2yl++tYMH68MI4pjip6k1/rL6z/OCA==
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

2026-09-17T12:16:30.541915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010281
observed adc239987238b335b94b7254bde5ed9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.524683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010281/manifest.json
observed 6e92cc12591bb3bb6f9658b2d29ffbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.507977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010281/publication.md
observed 234124d89316b2c76410d907f4fe58ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.490001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010281/publication.txt
observed 64517aa0a9614916b5ca998c7be7dd70...
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.