OpenTechnical

OT-2026-000049893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049893) never changes.

Identity and time

Publication numberOT-2026-000049893 · never reused
Internal UUID01a0ae81-fd76-7ffb-be92-f904883781d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049893
StatusPUBLIC

Content hashes

Canonical text4877d8ac7f72c0c9afb8cfe17f71a969898af36d93803cc5109f1e26db0d04b1
Markdown44e64dd61d590a98acbf69d3c8d4978d9a77ac0279467923d94ef3b500cad6d8
PDF
Publication pagecead666de0fdfeb6a268bb5f2285dc4bf53889bf3eec3bfc18c597774e114e3c
Manifestf555e1906039828bcff64a16325ce185e9c851a6c816b7bbb3bf3898beb85aa2

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
SignatureHbqUYbMHsDnlWFuxmEP407rIIk2fNHOaE9I7aIKIORRiGS/YwhZHT56ljOQB4w72M+KXd67gwpfKNKQaImM3DQ==
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

2026-09-17T11:01:48.655064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049893
observed cead666de0fdfeb6a268bb5f2285dc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.635348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049893/manifest.json
observed f555e1906039828bcff64a16325ce185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.613439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049893/publication.md
observed 44e64dd61d590a98acbf69d3c8d4978d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.593519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049893/publication.txt
observed 4877d8ac7f72c0c9afb8cfe17f71a969...
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.