OpenTechnical

OT-2026-000046887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000046887) never changes.

Identity and time

Publication numberOT-2026-000046887 · never reused
Internal UUID01a0ae7e-d0f5-7fb5-a447-6cc2f809aaea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046887
StatusPUBLIC

Content hashes

Canonical text724288aeee33ea3fbb835aba60accd8147d774c68ec38668fc310a3d671a6dde
Markdown3d976374f5a7c8ccc56289bc02f11847a83ba16c9df04ee2497cf4f582cc01b9
PDF
Publication page4293908eea29988321e90f90ccc92cca67559849c2bdb9a4ab2a69d6dc1fa74c
Manifest8526d7484d5036a3e315ddd7407f580f697e4fa2ee8d3644e69bf2632cd158db

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
SignatureLTsyJYBz0oV/L0Bcclz5xjZUgsxLqvMw8ADZr0xFSoH+KXmispg1su5VbBGA1Svzc2/34b3Q82OYeozL92h6AA==
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

2026-09-17T11:06:59.924776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046887
observed 4293908eea29988321e90f90ccc92cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.908650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046887/manifest.json
observed 8526d7484d5036a3e315ddd7407f580f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.890293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046887/publication.md
observed 3d976374f5a7c8ccc56289bc02f11847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.873728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046887/publication.txt
observed 724288aeee33ea3fbb835aba60accd81...
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.