Pith Number

pith:QHLEAPL5

pith:1999:QHLEAPL5TGQJ2V65G7D3MQMZBI

not attested not anchored not stored refs pending

The N N -> NN pi+ Reaction near Threshold in a Chiral Power Counting Approach

C. A. da Rocha, G. A. Miller, U. van Kolck

arxiv:nucl-th/9904031 v1 · 1999-04-12 · 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{QHLEAPL5TGQJ2V65G7D3MQMZBI}

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	2026-07-04T16:15:22.094872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d6403d7d99a09d57dd37c7b641990a0ff842e2314ec2115d7b5ebe5af8adc5

Aliases

arxiv: nucl-th/9904031 · arxiv_version: nucl-th/9904031v1 · doi: 10.48550/arxiv.nucl-th/9904031 · pith_short_12: QHLEAPL5TGQJ · pith_short_16: QHLEAPL5TGQJ2V65 · pith_short_8: QHLEAPL5

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/QHLEAPL5TGQJ2V65G7D3MQMZBI \
  | 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: 81d6403d7d99a09d57dd37c7b641990a0ff842e2314ec2115d7b5ebe5af8adc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3a5f35e375c13f86987108974762dad76def7a7c374838b239980df22e6e3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-04-12T22:37:16Z",
    "title_canon_sha256": "1a22297831d82d9cabbea11e6662a19f6b3074e291ed003a5fcb576a2d093895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9904031",
    "kind": "arxiv",
    "version": 1
  }
}