OpenTechnical

OT-2026-000030971

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000030971) never changes.

Identity and time

Publication numberOT-2026-000030971 · never reused
Internal UUID01a0ae74-3fb7-7d9b-b686-9a3f9d1798ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030971
StatusPUBLIC

Content hashes

Canonical textc201ea725f5c0b2f2bf62d3af256ac892345185c89fba277f2b9f3ed6c2fa5e0
Markdown845abfe4ba06e1b7173af957caa39cd5b24496312bfe1e5f21e560782c832800
PDF
Publication page3350f26b97382333b4913c436f77e647c05bc52164b5c0f0e6e74e3e206238ee
Manifest6efa0c4d37d49d2fe1fb6e891b0886e9715a79eb2112223a3e37f803c9dc9392

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
SignatureS2a9rJKX4+ytlokbWVQKL8cJGnjJTCbTopqJa4lcoJAoYGPlE5YX3vG1a5Ozwj3cmiu1KINJzSvq0AqxIEVADg==
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

2026-09-17T11:36:58.699283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030971
observed 3350f26b97382333b4913c436f77e647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.680289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030971/manifest.json
observed 6efa0c4d37d49d2fe1fb6e891b0886e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.662101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030971/publication.md
observed 845abfe4ba06e1b7173af957caa39cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.644373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030971/publication.txt
observed c201ea725f5c0b2f2bf62d3af256ac89...
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.