Pith Number

pith:4MEUWFCA

pith:2025:4MEUWFCAE7ZKBH6RODECHKTXH5

not attested not anchored not stored refs pending

Unlocking Hidden Information in Sparse Small-Angle Neutron Scattering Measurement

Bobby G. Sumpter, Changwoo Do, Chi-Huan Tung, Guan-Rong Huang, Lijie Ding, Lionel Porcar, Sidney Yip, Wei-Ren Chen, Yuya Shinohara

arxiv:2502.19713 v1 · 2025-02-27 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MEUWFCAE7ZKBH6RODECHKTXH5}

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	2026-07-05T10:20:51.805048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3094b144027f2a09fd170c823aa773f4942491ab59c8d5f9de9112956191c15

Aliases

arxiv: 2502.19713 · arxiv_version: 2502.19713v1 · doi: 10.48550/arxiv.2502.19713 · pith_short_12: 4MEUWFCAE7ZK · pith_short_16: 4MEUWFCAE7ZKBH6R · pith_short_8: 4MEUWFCA

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/4MEUWFCAE7ZKBH6RODECHKTXH5 \
  | 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: e3094b144027f2a09fd170c823aa773f4942491ab59c8d5f9de9112956191c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24f8f0488a5a3c6110fbc0a91c8115c6385f7773117ec378784683fc5926313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2025-02-27T03:10:27Z",
    "title_canon_sha256": "478cacf3e2dae5ee4d678c64f350d8476e13292133570eb7b16e86e2bf91c71c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19713",
    "kind": "arxiv",
    "version": 1
  }
}