Pith Number

pith:WPNDZSAA

pith:2025:WPNDZSAAG7OCUQDPDJCHCFQPO5

not attested not anchored not stored refs pending

A nuclear mass model rooted in chiral effective field theory

A. Ekstr\"om, C. Mishra, G. Hagen, M. Menickelly, S. M. Wild, T. Papenbrock

arxiv:2504.20843 v1 · 2025-04-29 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPNDZSAAG7OCUQDPDJCHCFQPO5}

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	2026-07-05T10:55:49.812063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3da3cc80037dc2a406f1a4471160f77674b2fc689b00750cd95a3a15279d18d

Aliases

arxiv: 2504.20843 · arxiv_version: 2504.20843v1 · doi: 10.48550/arxiv.2504.20843 · pith_short_12: WPNDZSAAG7OC · pith_short_16: WPNDZSAAG7OCUQDP · pith_short_8: WPNDZSAA

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/WPNDZSAAG7OCUQDPDJCHCFQPO5 \
  | 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: b3da3cc80037dc2a406f1a4471160f77674b2fc689b00750cd95a3a15279d18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24fd5098101e1c0193ec4077afaae0d723ef29e73f1ea9e25a0dddf7048c460b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2025-04-29T15:13:19Z",
    "title_canon_sha256": "7d253d5f421a83c766de8587c1cbad6606f0849504f19939d584d49ccbc26fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20843",
    "kind": "arxiv",
    "version": 1
  }
}