OpenTechnical

OT-2026-000030620

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000030620) never changes.

Identity and time

Publication numberOT-2026-000030620 · never reused
Internal UUID01a0ae74-3fb2-7e61-92c5-f83c3cca62e3 · 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-2026-000030620
StatusPUBLIC

Content hashes

Canonical text1c6b65dfbe6a804a0da258dca9dec87055517fc8eae4d1808371524ab6f658b1
Markdownd92afb3a7b051100f560dc8ae31db05c70f1f5a74f2ea5de952a02cb57af2056
PDF
Publication pagef153f45c755dff89430098998289e7eb7e01417f23b3e8ead569467ad4ee047c
Manifeste41ebbfb47480598a9bee7e375e49b9e25029fd955a5bbf1f68253e10a113a18

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
SignatureYDVmK6myNJb0+bGTjW6tRVvP9xByHSeChosDXfo/rA6UM0PRn+Td89NMQN0mSCS3brYIFZpDwJJZQMNA9LOEBg==
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

2026-09-17T11:36:28.854951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030620
observed f153f45c755dff89430098998289e7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.836504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030620/manifest.json
observed e41ebbfb47480598a9bee7e375e49b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.819329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030620/publication.md
observed d92afb3a7b051100f560dc8ae31db05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.802122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030620/publication.txt
observed 1c6b65dfbe6a804a0da258dca9dec870...
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.