OpenTechnical

OT-2026-000050105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000050105) never changes.

Identity and time

Publication numberOT-2026-000050105 · never reused
Internal UUID01a0ae81-fd79-75f5-b16c-22d402b63ab4 · 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-2026-000050105
StatusPUBLIC

Content hashes

Canonical text70f473e036d33516f574c19e9faa818cb989e6f3e4678a7d107100540d555efc
Markdowne7a7c88a7855d1b4659d85cdc0b68b046ed436e5b805dc001e42fa9741e0b0cd
PDF
Publication page75d69e837962ec001a3f829c13a55711b33f001a63c780370075c740bd7e0e90
Manifestfc801b2f69c10150252c0b81abbd47ad80bcf58e6a148e0a890fabf29c4b48a1

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
SignatureeQNE2EmmzdoNoyBhqZGdpSllcCj8tslqsz+KEBQ4ZeEmiJnX4R+VgIFPPst9yU6Yg1lTShKapRYEvcULHQEcDw==
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

2026-09-17T11:02:06.396485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050105
observed 75d69e837962ec001a3f829c13a55711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.378114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050105/manifest.json
observed fc801b2f69c10150252c0b81abbd47ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.359804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050105/publication.md
observed e7a7c88a7855d1b4659d85cdc0b68b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.341732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050105/publication.txt
observed 70f473e036d33516f574c19e9faa818c...
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.