Pith Number

pith:P2DBYATN

pith:2026:P2DBYATNUCFSG6A57FESY2EAHN

not attested not anchored not stored refs pending

Neural Fields as World Models

Joshua Nunley

arxiv:2602.18690 v2 · 2026-02-21 · q-bio.NC · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2DBYATNUCFSG6A57FESY2EAHN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-03T01:05:10.799873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e861c026da08b23781df9492c68803b74321b735e461aed9bc61624150845ff

Aliases

arxiv: 2602.18690 · arxiv_version: 2602.18690v2 · doi: 10.48550/arxiv.2602.18690 · pith_short_12: P2DBYATNUCFS · pith_short_16: P2DBYATNUCFSG6A5 · pith_short_8: P2DBYATN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P2DBYATNUCFSG6A57FESY2EAHN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7e861c026da08b23781df9492c68803b74321b735e461aed9bc61624150845ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b3ef980ac1b67e333f024a3aaddb0c001a638eea6f79c15bd1019bb83e88ebb",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-02-21T01:52:43Z",
    "title_canon_sha256": "4596af015800f1b67e27792656a69215532b13beb7c08eea99bcf1079dfe4782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.18690",
    "kind": "arxiv",
    "version": 2
  }
}