Pith Number

pith:LDOAHJ4M

pith:2025:LDOAHJ4M5GRQOAVXWQPW3GA6BN

not attested not anchored not stored refs pending

Level order of quark systems: The puzzle of the Roper resonance, and related questions

Jean-Marc Richard

arxiv:2506.07764 v1 · 2025-06-09 · hep-ph · 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{LDOAHJ4M5GRQOAVXWQPW3GA6BN}

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	2026-06-08T01:03:45.464086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58dc03a78ce9a30702b7b41f6d981e0b7d37a0863cad7a7c304274ed2c2ee08a

Aliases

arxiv: 2506.07764 · arxiv_version: 2506.07764v1 · doi: 10.48550/arxiv.2506.07764 · pith_short_12: LDOAHJ4M5GRQ · pith_short_16: LDOAHJ4M5GRQOAVX · pith_short_8: LDOAHJ4M

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/LDOAHJ4M5GRQOAVXWQPW3GA6BN \
  | 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: 58dc03a78ce9a30702b7b41f6d981e0b7d37a0863cad7a7c304274ed2c2ee08a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f86901f95fed2672c923b85c35386bbd04a269587f27d85067e8d6a92b6a19",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-06-09T13:41:55Z",
    "title_canon_sha256": "b9a5d466bc53bcbf099b989d5d4b4068265575b997cb3dd09a9b06d512033190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07764",
    "kind": "arxiv",
    "version": 1
  }
}