OpenTechnical

OT-2026-000081784

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081784) never changes.

Identity and time

Publication numberOT-2026-000081784 · never reused
Internal UUID01a0ae97-0f74-7030-bea3-dcd0bbbbed0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081784
StatusPUBLIC

Content hashes

Canonical textb301ce4cd08456aeda06e27b4c6cb99cc447c1466652f3a8a2a4ab9b14b5ca7a
Markdown3c0c6922e52395c79b211cad92b3fcb09d3abd7192657f84fe05da9b4712686b
PDF
Publication pagef78a063a5e3b0dc81c79d2c5f2ade03ed407fd086ce7af262c54149e6e9a92f8
Manifest4b617d66eda8153b953cc7108e7bf7ed5d14c45f950dd85f6f70303ad81c98ac

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
Signaturef4bKez6wgivOc8j8Y70i5gN7yP86FjriWGZBWe/BfpA5UJ6GE/enOda+1xreAxblsih//Bj7EcFUAHonAyMzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:52.809541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081784
observed f78a063a5e3b0dc81c79d2c5f2ade03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.792781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081784/manifest.json
observed 4b617d66eda8153b953cc7108e7bf7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.776457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081784/publication.md
observed 3c0c6922e52395c79b211cad92b3fcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.760298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081784/publication.txt
observed b301ce4cd08456aeda06e27b4c6cb99c...
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.