OpenTechnical

OT-2026-000102041

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000102041) never changes.

Identity and time

Publication numberOT-2026-000102041 · never reused
Internal UUID01a0aea4-50f2-7722-9756-a032ee881029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102041
StatusPUBLIC

Content hashes

Canonical text46942c229995a9b5f1995ce0ab8b23f3dca3f29ae1949709e5496fbe7f6c11fe
Markdown4c3a9b496fc19ae20a8465f949d1a7bb580ba1a7baf9f0f7f1f3bc91cdea2368
PDF
Publication page8692264446a9bb3cbabe4954de7f0fe67ed70ef92890e03c96fd23186e8e9227
Manifestae16d894b49a0d605e4982a5695487e4b2de434aaf03beb37087c830e78dc0d5

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
SignaturedhuKE7zGkFrpIWiMRBrxpZaoINEv8SEdYHLIa5G52XcoGVXcY5iUJ1M6h7rPsIwgzCKqA86y0cxm+Qz9Cs7jDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:10.763669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102041
observed 8692264446a9bb3cbabe4954de7f0fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.740233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102041/manifest.json
observed ae16d894b49a0d605e4982a5695487e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.721845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102041/publication.md
observed 4c3a9b496fc19ae20a8465f949d1a7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.703687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102041/publication.txt
observed 46942c229995a9b5f1995ce0ab8b23f3...
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.