OpenTechnical

OT-2026-000003711

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, plant vacuum fed

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-2026-000003711) never changes.

Identity and time

Publication numberOT-2026-000003711 · never reused
Internal UUID01a0a90a-d0dc-7dea-8ece-f59fbffd05bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:33.471679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003711
StatusPUBLIC

Content hashes

Canonical text93b77051c043eab33b391b851ec1641ae16ad3eed17c1cf2b216a71e5eb95ec0
Markdowndfdc85d64d61a751ce5ee2f9b6ae0dcbbb11dadd0783eeca812cf8e6258811a8
PDF
Publication pagef8501d6d30c03ef2183791454125fcb9851e453ab6c265a272053f50f85447f2
Manifestac3d94bc61c2cb90c0dd7f3b04a38e9d9ee74b18b898ae583ec6411a07c7c9b2

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
Signaturesc0LQhyBgTnMlFGLFLsRaeCQhk3ShUsEuBgQ7lHoRJDV0JltFBD7/bsl3TPfGjpHnEke8ZT+ZwCcRoIgrqg8BQ==
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

2026-09-16T08:00:35.443090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003711
observed f8501d6d30c03ef2183791454125fcb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.428454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003711/manifest.json
observed ac3d94bc61c2cb90c0dd7f3b04a38e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.413813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003711/publication.md
observed dfdc85d64d61a751ce5ee2f9b6ae0dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.399182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003711/publication.txt
observed 93b77051c043eab33b391b851ec1641a...
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.