OpenTechnical

OT-2026-000030816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000030816) never changes.

Identity and time

Publication numberOT-2026-000030816 · never reused
Internal UUID01a0ae74-3fb5-711d-ad1a-b3ecc521a243 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030816
StatusPUBLIC

Content hashes

Canonical text5be0dc92d3c20ffe72639216e2df7ece4278968264fd81278c8a4f4da8fdc32e
Markdown91cac05f105294aabf681c943f99c181b513fbecf81b1fb63bba348d4d8f9936
PDF
Publication pagef376ae3084461e2948a0cc054c96a6a271dc1b527850d6e13df7d6d09607d674
Manifesta0ce9986361f169c6a9eec5d9bb8a609e610dd698544ae93266762842d038d77

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
SignaturefzSUv82sZe3nY2jQwkBCqcTSrOH79zfLLVnst+GkfTb6lZDQKBhB1uvmFmiUEXF/YZSVEZqUidfjayYOltVHBg==
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

2026-09-17T11:36:45.073392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030816
observed f376ae3084461e2948a0cc054c96a6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.057814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030816/manifest.json
observed a0ce9986361f169c6a9eec5d9bb8a609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.041265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030816/publication.md
observed 91cac05f105294aabf681c943f99c181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.022699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030816/publication.txt
observed 5be0dc92d3c20ffe72639216e2df7ece...
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.