OpenTechnical

OT-2026-000019636

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019636) never changes.

Identity and time

Publication numberOT-2026-000019636 · never reused
Internal UUID01a0ae6f-1fb3-75a3-a137-8055b9022750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019636
StatusPUBLIC

Content hashes

Canonical textba29f2bfb5d936509716681ad073e1dfc45a27d8d1fc020680adf55b4f624ebf
Markdownda23dd539d36bc7d0235bcbfcb7b72fb7f9d36d969a5967f59b7d2c6999c2ce8
PDF
Publication pagefe29126d7e14cc1b5383e14dbe6e17d4ce5362e373196b02b87056ef784cf9c0
Manifestda3aec6cd1a5d6f5378cb8444cc39dd4454e603d97af3cd65ed2c7d866957665

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
SignatureGGlUP7Kno6CivPv6XGdWeyw6arxMqbMghrrR/T4MhDsZ2aKaz/cFGrtGGyr5s4BU+4tuBxtSVxuMW+QYJ9sHCw==
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

2026-09-17T11:57:41.735548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019636
observed fe29126d7e14cc1b5383e14dbe6e17d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.717626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019636/manifest.json
observed da3aec6cd1a5d6f5378cb8444cc39dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.699799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019636/publication.md
observed da23dd539d36bc7d0235bcbfcb7b72fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.681878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019636/publication.txt
observed ba29f2bfb5d936509716681ad073e1df...
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.