OpenTechnical

OT-2026-000030768

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000030768) never changes.

Identity and time

Publication numberOT-2026-000030768 · never reused
Internal UUID01a0ae74-3fb4-7925-8cd7-9178c198235f · 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-2026-000030768
StatusPUBLIC

Content hashes

Canonical text4c157687ef0a7b6bc42ddf597da9aea6311f0bd1b30eaf7723c1030c44e7a325
Markdown5f31765dd148d8e6e2e6b88263360481bd045962f5133ca240cafdc3d7c39363
PDF
Publication page6737d20c8c44d4e0ae8679b7b134cefea261c27b6c7a0b61075be6bce343120b
Manifest055eda5aaada97317e601da3f82cca0bbb092fe6808e50087514f7c770612ff4

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
Signature3L1YhuoZPrNCBxMrYOTHXgDrP7WeMGjeYsQhImSmHdnH7qedBdgbcNUe52VEke0qm/KX1VZaMhuh7HfWZt9sDw==
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

2026-09-17T11:36:43.376537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030768
observed 6737d20c8c44d4e0ae8679b7b134cefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.358719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030768/manifest.json
observed 055eda5aaada97317e601da3f82cca0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.343055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030768/publication.md
observed 5f31765dd148d8e6e2e6b88263360481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.325536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030768/publication.txt
observed 4c157687ef0a7b6bc42ddf597da9aea6...
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.