OpenTechnical

OT-2026-000027404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000027404) never changes.

Identity and time

Publication numberOT-2026-000027404 · never reused
Internal UUID01a0ae72-6997-7a1e-b18f-d77b0b21ea4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027404
StatusPUBLIC

Content hashes

Canonical text311d46978ebf022463b2ca733880586b7879f726c541e50b5d92f52a2318c78f
Markdown9f59626d676b1bcaef5ed5eb7cb05e2e5112b7b39a6e44d733de2dc300e11ab3
PDF
Publication pagee63442df71882e225d8f98369dfdf3b1d8f944efb0c1864e922480e8e35547f3
Manifest44d96d543138726365cb5a6b78832992841f94de09eca48a3c7515e01bec280b

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
SignatureLSCC9feDLs7YR3im39TtgNoSVfXo4EamnTEeIzjTkCfosS69iNXfUukYoAAS86cH9kgNSsZfGBs3VkAJYwlMDg==
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

2026-09-17T11:42:49.751084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027404
observed e63442df71882e225d8f98369dfdf3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.733634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027404/manifest.json
observed 44d96d543138726365cb5a6b78832992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.715830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027404/publication.md
observed 9f59626d676b1bcaef5ed5eb7cb05e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.700420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027404/publication.txt
observed 311d46978ebf022463b2ca733880586b...
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.