OpenTechnical

OT-2026-000104163

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000104163) never changes.

Identity and time

Publication numberOT-2026-000104163 · never reused
Internal UUID01a0aea5-341f-7738-8edb-c800a48d1540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104163
StatusPUBLIC

Content hashes

Canonical text1f2fcca232742c9deac6d0a08a6413814c678cb6092a6f3e641588da3d0d331e
Markdowndfd14a505d65c9120e61d140b9ada5a8b92c2ffd8b9c62d9f11f256201d93d87
PDF
Publication page143fb17bc655bcc41924b953bb6c66e7cdc4a9690c7c7bf70bb5b252eee7f2ae
Manifest6a9e84322d54083d19e31df785f774ada30eb218bd006d467248418fc902efbe

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
Signature1xwi+8BEA8SkQuXeINHVJXSZ+WaPmQD7dLVmkFk3pZPrkAgkDPtw6hKHogZ4ce9gcUn4fGsnhM2rM9XNnDSuCg==
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

2026-09-17T09:20:15.192163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104163
observed 143fb17bc655bcc41924b953bb6c66e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.174375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104163/manifest.json
observed 6a9e84322d54083d19e31df785f774ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.156496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104163/publication.md
observed dfd14a505d65c9120e61d140b9ada5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.139369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104163/publication.txt
observed 1f2fcca232742c9deac6d0a08a641381...
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.