Pith Number

pith:BZ2ID2DU

pith:2005:BZ2ID2DU4H4QF3ZQW732EKCIWN

not attested not anchored not stored refs pending

Energy and centrality dependence of antiproton and proton production and the antilambda to antiproton ratio in Pb+Pb collisions between 20A GeV and 158A GeV

NA49 collaboration

arxiv:nucl-ex/0512033 v2 · 2005-12-21 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZ2ID2DU4H4QF3ZQW732EKCIWN}

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	2026-05-18T03:47:09.957711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e7481e874e1f902ef30b7f7a22848b3561b826569097882c92c642009e4f6b0

Aliases

arxiv: nucl-ex/0512033 · arxiv_version: nucl-ex/0512033v2 · doi: 10.48550/arxiv.nucl-ex/0512033 · pith_short_12: BZ2ID2DU4H4Q · pith_short_16: BZ2ID2DU4H4QF3ZQ · pith_short_8: BZ2ID2DU

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/BZ2ID2DU4H4QF3ZQW732EKCIWN \
  | 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: 0e7481e874e1f902ef30b7f7a22848b3561b826569097882c92c642009e4f6b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac966f901245c7b85786eb685729c5a596775663d8f0599a15a6c87364523d83",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "2005-12-21T16:45:05Z",
    "title_canon_sha256": "08f5269f7382705d97177f27b4c468bb249aeddf666146ef5e3755c731ca50d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-ex/0512033",
    "kind": "arxiv",
    "version": 2
  }
}