OpenTechnical

OT-2026-000003761

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, three stage ejector, silicone cups

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-2026-000003761) never changes.

Identity and time

Publication numberOT-2026-000003761 · never reused
Internal UUID01a0a90a-fbaf-738e-b8b9-88c19c71dd5a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:44.434014Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003761
StatusPUBLIC

Content hashes

Canonical text784be44c3cd2c2c12f1063941749d0e70e01d1519d2c4aaeadd6e1632fec10f1
Markdownf1bb21916c1b142c91166bf80b8e739c152b589faa350dffe37160af6b7794e3
PDF
Publication page7723c6119cae75eb7bc15058053d51c3d475fab262e2dacc7b7044f7507c3dbc
Manifest0437d8968b517ca7e1cd8ebbe0f0b62db4fa5562d02b70185f9e86c9a8370d58

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
SignatureIaUuVzjJbX5OjEkWEyeZP+7rP75vt/hfWrTH/rMWP0A2chXdoMu2wk4wo1Ee7RDVdvqUvFAdRXMfzjDs7j2fCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.938684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003761
observed 7723c6119cae75eb7bc15058053d51c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.925029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003761/manifest.json
observed 0437d8968b517ca7e1cd8ebbe0f0b62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.908108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003761/publication.md
observed f1bb21916c1b142c91166bf80b8e739c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.893439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003761/publication.txt
observed 784be44c3cd2c2c12f1063941749d0e7...
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.