OpenTechnical

OT-2026-000047437

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000047437) never changes.

Identity and time

Publication numberOT-2026-000047437 · never reused
Internal UUID01a0ae7f-3e58-7439-a36f-b3caf16ea405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047437
StatusPUBLIC

Content hashes

Canonical texte94c6111d3b759d73bdebc16c6ecfde85bdcd4383dbaab1f3053f9140bfc5437
Markdown691663dacd9ea5b66cc4d140ef1fec23773834ebd53ac672b8595829238437f8
PDF
Publication pagec83e877edd63a88a662421aad42c0ff5101d60b0e407a78e04e43b4dee2d8a67
Manifesta60681df28b5ab6cb2d5b3e447852780ff1fa1010ab0918b81b2995965bc26dc

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
SignaturekxgTqBn395HTYfXC8kNutOZC7ibwDeYe2QL/RHUS29LdgfQeMMkIUH5mSdX+0C5SFh2mBvuPzTisNhODmGo/Cg==
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

2026-09-17T11:06:27.673425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047437
observed c83e877edd63a88a662421aad42c0ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.654582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047437/manifest.json
observed a60681df28b5ab6cb2d5b3e447852780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.637436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047437/publication.md
observed 691663dacd9ea5b66cc4d140ef1fec23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.616958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047437/publication.txt
observed e94c6111d3b759d73bdebc16c6ecfde8...
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.