OpenTechnical

OT-2026-000027932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000027932) never changes.

Identity and time

Publication numberOT-2026-000027932 · never reused
Internal UUID01a0ae72-a4a5-7cba-9143-c4d02403f6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027932
StatusPUBLIC

Content hashes

Canonical text8f12684fbfc65f36d0d2a96fdac361694d7eddbce11edc3b0ca967f7b04ac990
Markdown6249d2bff1792d0796360970a29075a1a8d9725ae51678f08d8937fb4bb2f2ab
PDF
Publication pagefaf24db40e38f5190c2f344dd670b8d04afa015671817975fd197221b10e8bdb
Manifestcc247c28b2f4028593d8c2e3347852d71c78ee58213c017177bf4f97b353e9f6

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
SignatureiUpI90b57nb9tfKoMEr6h+o5r/GErhXGn1fLXjuppmgFOyj6NelVERBn4EoD9Kbx77loUB+oPYDBU6zwkXHNAA==
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

2026-09-17T11:42:06.697597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027932
observed faf24db40e38f5190c2f344dd670b8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.680568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027932/manifest.json
observed cc247c28b2f4028593d8c2e3347852d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.664154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027932/publication.md
observed 6249d2bff1792d0796360970a29075a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.647912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027932/publication.txt
observed 8f12684fbfc65f36d0d2a96fdac36169...
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.