Pith Number

pith:NEEA2NU2

pith:2012:NEEA2NU2MKTRWJKU5XMAKCYWF4

not attested not anchored not stored refs pending

Observation of chi_c and chi_b nuclear suppression via dilepton polarization measurements

Joao Seixas, Pietro Faccioli

arxiv:1203.2033 v1 · 2012-03-09 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEEA2NU2MKTRWJKU5XMAKCYWF4}

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	2026-05-18T01:58:10.875772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69080d369a62a71b2554edd8050b162f1ff04bc29599d3875cf1242214864bcb

Aliases

arxiv: 1203.2033 · arxiv_version: 1203.2033v1 · doi: 10.48550/arxiv.1203.2033 · pith_short_12: NEEA2NU2MKTR · pith_short_16: NEEA2NU2MKTRWJKU · pith_short_8: NEEA2NU2

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/NEEA2NU2MKTRWJKU5XMAKCYWF4 \
  | 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: 69080d369a62a71b2554edd8050b162f1ff04bc29599d3875cf1242214864bcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc4fb9c3c011b5692db64946465e480b08031eb0cbf2e283f694113331c8bc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-03-09T10:30:14Z",
    "title_canon_sha256": "8a0dc7aec180485e31bb5ddb8360b633e0030dc7399352825f473b4026615983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2033",
    "kind": "arxiv",
    "version": 1
  }
}