OpenTechnical

OT-2026-000007576

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000007576) never changes.

Identity and time

Publication numberOT-2026-000007576 · never reused
Internal UUID01a0ae62-4df8-72fc-a422-d41fa8e1385e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007576
StatusPUBLIC

Content hashes

Canonical textb00407b7545a791930841f2e5e5f3c5ea81cf5f801f4f55c844582af8ad7e9e7
Markdown1aeb3158566b9a475faa3fb70bc22a8cdde446b67082ac448e7282fe78c4c1b5
PDF
Publication pagec9e01cb04761033929e4d26f34c93ad7cb1631d26e0347da1bb59b550af2dc18
Manifest1d8e4c9e80349c02c5ea0da9e190db6f3c6e70edbfc89e55a8adfce5f10c3dd9

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
SignatureosPsiGpJBNBQbjKaKc77dEvse0Ff3fW8bM1Hk//TTlgk0BjAoIhXO6t42BwDcsVsjVkwcQClXbAXycAEkND5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:25.504435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007576
observed c9e01cb04761033929e4d26f34c93ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.486934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007576/manifest.json
observed 1d8e4c9e80349c02c5ea0da9e190db6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.469547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007576/publication.md
observed 1aeb3158566b9a475faa3fb70bc22a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.451400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007576/publication.txt
observed b00407b7545a791930841f2e5e5f3c5e...
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.