Pith Number

pith:7GIODNZJ

pith:2026:7GIODNZJOMY3QX5XNL2YDHHUX4

not attested not anchored not stored refs pending

Learning Individual Dynamics from Sparse Cross-Sectional Snapshots

Christian Lagemann, Kai Lagemann, Sach Mukherjee, Steven L. Brunton

arxiv:2605.23470 v1 · 2026-05-22 · cs.LG · cs.AI · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GIODNZJOMY3QX5XNL2YDHHUX4}

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	2026-05-25T02:01:56.552966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f990e1b7297331b85fb76af5819cf4bf19b02b62fa5b3e238075c8f9313d28f0

Aliases

arxiv: 2605.23470 · arxiv_version: 2605.23470v1 · doi: 10.48550/arxiv.2605.23470 · pith_short_12: 7GIODNZJOMY3 · pith_short_16: 7GIODNZJOMY3QX5X · pith_short_8: 7GIODNZJ

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/7GIODNZJOMY3QX5XNL2YDHHUX4 \
  | 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: f990e1b7297331b85fb76af5819cf4bf19b02b62fa5b3e238075c8f9313d28f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ec0807f2d04f1d63873e4c61de93ea076464923b5e89014f442c45948936e8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T10:29:47Z",
    "title_canon_sha256": "b9ba7fd700ce70ff633e54d440d0aa8de58e7b2e6175b1857a206b0e55dbd3ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23470",
    "kind": "arxiv",
    "version": 1
  }
}