OpenTechnical

OT-2026-000022149

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000022149) never changes.

Identity and time

Publication numberOT-2026-000022149 · never reused
Internal UUID01a0ae6f-f4fb-7474-a393-dc99a45f0b90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022149
StatusPUBLIC

Content hashes

Canonical texta3023c149680af158eee22df8c2eb72abfe113663274ca2b4ec5d0a69a168204
Markdown63bdd70643e76b51f261cd1f1a8b604dd2ac2d8da1a97868eff31d8e5b282e39
PDF
Publication page176d15bad7488b356ba3f7956ad339576ae8fb8e131358abdf5c29bc8ac3f1a6
Manifest6a3ac2eaa740fc81dd1517e37cfffd933709e186990f58b6716b70cbe2210be1

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
SignaturelM23wXn6DzhAWfFOlaK8jJomywwneAtwgZnbTyr4RSox+iWR3nmB3F8W2yYJ+BesE5CjvZHH2DUEab8dvPWBBQ==
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

2026-09-17T11:52:49.580223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022149
observed 176d15bad7488b356ba3f7956ad33957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.561624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022149/manifest.json
observed 6a3ac2eaa740fc81dd1517e37cfffd93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.543187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022149/publication.md
observed 63bdd70643e76b51f261cd1f1a8b604d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.525737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022149/publication.txt
observed a3023c149680af158eee22df8c2eb72a...
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.