OpenTechnical

OT-2026-000006286

Publication integrity record

Porous face vacuum gripper, three outlet manifold, plant vacuum fed, pressure verified, closed cell

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-2026-000006286) never changes.

Identity and time

Publication numberOT-2026-000006286 · never reused
Internal UUID01a0a955-9788-7ecd-8462-22dbf2b2ebcc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:13.995636Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006286
StatusPUBLIC

Content hashes

Canonical text2630a2b5826dd982fc418a19b6d2de08026ff042fb28aa2b80897d1dc10133f7
Markdown088093049a0324462406fda3ed7d052bc4e07a790947315c3d1dd5b5b18eafe3
PDF
Publication page46199da29ab353befb4a3c354b7dc5e8d9985db6a5103383b2af514ea7389bb6
Manifest56ee6aa530d0e48e5abb4f8d8c48f67ec30c771c28a3e644091717566d28d5ef

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
SignatureFriVjkyeMTdNhNvHkf22IRukOo0nL0NFgtTtlbT8eLLA2HyuHlRkxiIbme6ptcCJwXc78cy/XbxMjTsioIBjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T12:41:08.264681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286
observed 46199da29ab353befb4a3c354b7dc5e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:08.020647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/manifest.json
observed 56ee6aa530d0e48e5abb4f8d8c48f67e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:07.610619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/publication.md
observed 088093049a0324462406fda3ed7d052b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:41:07.253929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/publication.txt
observed 2630a2b5826dd982fc418a19b6d2de08...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.638951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286
observed 46199da29ab353befb4a3c354b7dc5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.622994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/manifest.json
observed 56ee6aa530d0e48e5abb4f8d8c48f67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.490462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/publication.md
observed 088093049a0324462406fda3ed7d052b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:05.476247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006286/publication.txt
observed 2630a2b5826dd982fc418a19b6d2de08...
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.