OpenTechnical

OT-2026-000095225

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095225) never changes.

Identity and time

Publication numberOT-2026-000095225 · never reused
Internal UUID01a0ae9f-8f70-7ca8-a327-79bbcb0ecadc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095225
StatusPUBLIC

Content hashes

Canonical textea4f2420b597f7c75923a32de65ef771922f48e2d27dda573ac92f0211c3dd4e
Markdown01e7d7060308ca3b0fe1da403534d51ce685c4035f7643e394dd7faedf20d7bf
PDF
Publication pagebfde51a0805db46a755b38b79a6e907a20461737aed8a34d92d4e8464a157568
Manifest1f2e26430f32b0d45ead4a56e1c397f7e3e8f637ee8f2728ca8b54d32994c6ad

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
SignatureIAAMYNIVghlUtUHSpRTnqQ01u5g5GhpB7vh2XK4xrUnkhhUi62yEvaX1HezW9gUoi00wHM7g/wvGb+QMA12dAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:32.839520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095225
observed bfde51a0805db46a755b38b79a6e907a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.823483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095225/manifest.json
observed 1f2e26430f32b0d45ead4a56e1c397f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.804607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095225/publication.md
observed 01e7d7060308ca3b0fe1da403534d51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.786575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095225/publication.txt
observed ea4f2420b597f7c75923a32de65ef771...
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.