Pith Number

pith:TSOQJ5OA

pith:2025:TSOQJ5OAT4PQJB2ZRDYCDHRQGT

not attested not anchored not stored refs pending

Physics Informed Constrained Learning of Dynamics from Static Data

Chi Zhang, Guang Lin, Melissa Fishel, Pengtao Dang, Sha Cao, Tingbo Guo, Wenzhuo Wu

arxiv:2504.12675 v2 · 2025-04-17 · cs.LG · physics.bio-ph · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSOQJ5OAT4PQJB2ZRDYCDHRQGT}

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	2026-07-05T10:52:22.805770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c9d04f5c09f1f04875988f0219e3034c38d5856be6b80c624af3d6d1de3e412

Aliases

arxiv: 2504.12675 · arxiv_version: 2504.12675v2 · doi: 10.48550/arxiv.2504.12675 · pith_short_12: TSOQJ5OAT4PQ · pith_short_16: TSOQJ5OAT4PQJB2Z · pith_short_8: TSOQJ5OA

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/TSOQJ5OAT4PQJB2ZRDYCDHRQGT \
  | 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: 9c9d04f5c09f1f04875988f0219e3034c38d5856be6b80c624af3d6d1de3e412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e20435331b456e878878ef9e13191a2b7b727946f53e75d32c32bc6ac84385",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-17T06:06:53Z",
    "title_canon_sha256": "a150e3e763b0b4bf95965dc59e45b3a99d77927a445685fe97311429a81d5ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12675",
    "kind": "arxiv",
    "version": 2
  }
}