OpenTechnical

OT-2026-000022244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000022244) never changes.

Identity and time

Publication numberOT-2026-000022244 · never reused
Internal UUID01a0ae6f-f4fc-77ff-80e7-67c4a7ee348e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022244
StatusPUBLIC

Content hashes

Canonical text9a1c3906f54a1bfdfd09c6e66d3d48ad5be4cd0d749c181342abaa104330d20e
Markdownd840ac980a1e3d633bef73cd08cf4b7ca791876bb4150b528cf63f33e6f3c47f
PDF
Publication page984ffe089facae7763b463a83a930e1271ab951480e8f7bab678b5c4d4e75b11
Manifest26b7c39459f1c67ac7105769baf681b4429addd44b64900bf35373bfe1da3506

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
Signature5kQQr1K9tlUYpKbYLFNN6MHaBWMBHZg1uULQF+qwLdCluvD4+eRmAxaWjwUjXLnsOc3MxGKgTFELgvZoSXZbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:02.312381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022244
observed 984ffe089facae7763b463a83a930e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.231923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022244/manifest.json
observed 26b7c39459f1c67ac7105769baf681b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.360200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022244/publication.md
observed d840ac980a1e3d633bef73cd08cf4b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.338257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022244/publication.txt
observed 9a1c3906f54a1bfdfd09c6e66d3d48ad...
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.