OpenTechnical

OT-2026-000042434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000042434) never changes.

Identity and time

Publication numberOT-2026-000042434 · never reused
Internal UUID01a0ae7a-5d75-792c-a4f6-3ced12f0e7b5 · 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-2026-000042434
StatusPUBLIC

Content hashes

Canonical text8da18713cfea15a78f834ed53eedaadb6fe346082c033d6392a8a33fb93b13c1
Markdowne9e94785e623e49b0c7316bb00f4b81ea3c417cf30a589d771961f7b03e678f1
PDF
Publication pagec053219aa372fdba33d399d4ba57e9b00b13788e57bb9d9b5914a93a5848c75b
Manifest486b58b18388fe45ed80d13fef3c6a600586e0510653b3f6f31cae42a679396a

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
SignatureVohG3Q2H/hOtb2vIYrtEa6SZ/r3z6sAo0n/9HrqTw3E0xWYruRSqwFHO4WN66b/75WUiCDaqIlH0fU4AMK2uAQ==
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

2026-09-17T11:16:14.164963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042434
observed c053219aa372fdba33d399d4ba57e9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.146542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042434/manifest.json
observed 486b58b18388fe45ed80d13fef3c6a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.127921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042434/publication.md
observed e9e94785e623e49b0c7316bb00f4b81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.110133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042434/publication.txt
observed 8da18713cfea15a78f834ed53eedaadb...
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.