OpenTechnical

OT-2026-000047611

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047611) never changes.

Identity and time

Publication numberOT-2026-000047611 · never reused
Internal UUID01a0ae7f-3e5a-7bc7-a305-8928fc6d1695 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047611
StatusPUBLIC

Content hashes

Canonical text4a55ad4b705dce9d265b66c9afdf001a8e6f1c100d529f678d9c81aa99dfa869
Markdown3c2790bb5c8265cccb6e20e534e06a0f77af5513d0e403483df04d89ef8b88a3
PDF
Publication page433da36ff1d820471c5fc36a7d00a48157f727bbf07c7acd1c2bb5e639bcd73f
Manifest11706b29431f52a93c5b1b8ac47af24e267f06511a3425419b727d17f5546733

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
SignatureTCTpxHFG5n++pibpPCIeQXYQHmXL4/3eUcuWzPoYxVl0NuvxDoqqlxw41CynE8efGOH3w3FawgZWH/HLgE9eAQ==
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

2026-09-17T11:06:45.065606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047611
observed 433da36ff1d820471c5fc36a7d00a481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.047495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047611/manifest.json
observed 11706b29431f52a93c5b1b8ac47af24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.029527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047611/publication.md
observed 3c2790bb5c8265cccb6e20e534e06a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.011845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047611/publication.txt
observed 4a55ad4b705dce9d265b66c9afdf001a...
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.