OpenTechnical

OT-2026-000030932

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000030932) never changes.

Identity and time

Publication numberOT-2026-000030932 · never reused
Internal UUID01a0ae74-3fb6-7c25-8391-b184754ca463 · 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-2026-000030932
StatusPUBLIC

Content hashes

Canonical text30375e6b7c45ece806e9fc8e109d962e63c9384be0138a6f2381c4f5be893132
Markdown9d6468b5eda73ac0890e0cbd78db5b489b35cb5ffc579d278817e3656b52a04f
PDF
Publication page2b446aafdcbf1e184aea7eb9279c81d6737df9d166a9422a399e259207a3315b
Manifest905628cbbde03d05b45f2a87f7efbdbc6fbeb849ca8a2e46efd1e1e950b974d6

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
SignatureWY3Id3BbpIiqHVQ7tsC6Ok55eMGyMcm0TZsx9pDSIG4JBty1Og26/6C7AaHw/domPaWbj27BgQnld7cMpXBPDg==
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

2026-09-17T11:36:55.638757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030932
observed 2b446aafdcbf1e184aea7eb9279c81d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.621696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030932/manifest.json
observed 905628cbbde03d05b45f2a87f7efbdbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.600202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030932/publication.md
observed 9d6468b5eda73ac0890e0cbd78db5b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.583143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030932/publication.txt
observed 30375e6b7c45ece806e9fc8e109d962e...
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.