Pith Number

pith:JJ7IFCZ6

pith:2011:JJ7IFCZ6EX6G6DKLPTM7S2H7RV

not attested not anchored not stored refs pending

Light clusters in nuclear matter: Excluded volume versus quantum many-body approaches

Gerd R\"opke, J\"urgen Schaffner-Bielich, Matthias Hempel, Stefan Typel

arxiv:1109.0252 v2 · 2011-09-01 · nucl-th · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJ7IFCZ6EX6G6DKLPTM7S2H7RV}

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	2026-05-18T04:07:52.373743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7e828b3e25fc6f0d4b7cd9f968ff8d5e96d6a786bf365956ec47a6fe4c1ccf

Aliases

arxiv: 1109.0252 · arxiv_version: 1109.0252v2 · doi: 10.48550/arxiv.1109.0252 · pith_short_12: JJ7IFCZ6EX6G · pith_short_16: JJ7IFCZ6EX6G6DKL · pith_short_8: JJ7IFCZ6

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/JJ7IFCZ6EX6G6DKLPTM7S2H7RV \
  | 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: 4a7e828b3e25fc6f0d4b7cd9f968ff8d5e96d6a786bf365956ec47a6fe4c1ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6325beb18c8efd1028d57e048e80d350d82ab049245c2594e8b0a06c531231dc",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-09-01T18:31:33Z",
    "title_canon_sha256": "13284efc9623c2c1e32c5fa81b86932cf854f74b556f953617feafee6d51584d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0252",
    "kind": "arxiv",
    "version": 2
  }
}