OpenTechnical

OT-2026-000018659

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000018659) never changes.

Identity and time

Publication numberOT-2026-000018659 · never reused
Internal UUID01a0ae6e-d520-7500-b1a1-ec173883f936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018659
StatusPUBLIC

Content hashes

Canonical texte1a752344b13c5a89aea18eefb79e162f852aea828627402b7df528f4804d5b0
Markdown62a9df5e2f87bcdd089a3ed527ba3cf284c8d9e72c18c919553f21d1db1d1c14
PDF
Publication paged6b264d7a3822c615498f79a97c72d505b6201aba5433cc41f9fba084e3fa5e9
Manifesta62857cde4bf1cb0f499325c93b8eec64a4e90206183b1e1622cede3d2024493

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
SignatureCOH5GR8htQBvci6jhqrDMXj6cIsQ5fTmZOGI8wJdjpG6mhJrLHJMIUL8QnbNjBUbdjb7HbtveNe1VY+sOSa5Bg==
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

2026-09-17T11:59:15.004219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018659
observed d6b264d7a3822c615498f79a97c72d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:14.984295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018659/manifest.json
observed a62857cde4bf1cb0f499325c93b8eec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:14.962673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018659/publication.md
observed 62a9df5e2f87bcdd089a3ed527ba3cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:14.943196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018659/publication.txt
observed e1a752344b13c5a89aea18eefb79e162...
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.