OpenTechnical

OT-2026-000030628

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000030628) never changes.

Identity and time

Publication numberOT-2026-000030628 · never reused
Internal UUID01a0ae74-3fb2-798a-8b6e-a75fc8070427 · 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-2026-000030628
StatusPUBLIC

Content hashes

Canonical textdd2a7e7d1ca2b6aa090f25e7f98bf1595c0938aab6f006113d666561f7c868be
Markdown0355fe2ca9cc5a1e9a84da9c24b3ebe1429eba80b8463ca8f5cdf6f7f22272d8
PDF
Publication pageb68d27dd7a44478e5b4e592e80f781b8661628cfca2916f43e7db93b4cef3e36
Manifest3034f4b87afc76698cd9fc12474dc4e768bd0a2e71dbfc505c670a2499d60d16

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
SignatureRHr2GwSrWs6qDHeImvo4VMWmyoTyhRYtOCzjWXXiHWZRX55C2WE6/s2zbXCnCNNMpfGD7isgIF4d3CT8pf8+Bw==
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

2026-09-17T11:36:30.054703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030628
observed b68d27dd7a44478e5b4e592e80f781b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.036632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030628/manifest.json
observed 3034f4b87afc76698cd9fc12474dc4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.018666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030628/publication.md
observed 0355fe2ca9cc5a1e9a84da9c24b3ebe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.999926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030628/publication.txt
observed dd2a7e7d1ca2b6aa090f25e7f98bf159...
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.