OpenTechnical

OT-2026-000008741

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000008741) never changes.

Identity and time

Publication numberOT-2026-000008741 · never reused
Internal UUID01a0ae6a-e46c-7dd7-9fac-42c6c483d713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008741
StatusPUBLIC

Content hashes

Canonical text8c3be1c29518021a29a3fbe87f2c6785b1a94fe7a0d610f9c3670e8160687be7
Markdown34d0709f5e6157f66e8a0f7d956a72847d675f003559c72ed14c54ccef842b64
PDF
Publication page9e13d40652335ccb704ff471b374f40d6d19a75c8570eea4ebf4dc64bd1cd0c8
Manifest50d0d013c9d2719412ef218cc27c31cd639409f1d74d03e67cd46f9a98e00ea9

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
SignatureXeagKYBmYy2aUkVCGIc30hsoVGcMG4i9HpJmNDpnvbCuSkDKi+NOQOQk17OOLe1j8jrPgEkaQ9uQsXjv+Mz+Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:49.921246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008741
observed 9e13d40652335ccb704ff471b374f40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.899308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008741/manifest.json
observed 50d0d013c9d2719412ef218cc27c31cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.879202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008741/publication.md
observed 34d0709f5e6157f66e8a0f7d956a7284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.860895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008741/publication.txt
observed 8c3be1c29518021a29a3fbe87f2c6785...
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.