pith. sign in
Pith Number

pith:Z25ZWOWI

pith:2009:Z25ZWOWI3DGMBQLCCLGD3RKTKK
not attested not anchored not stored refs pending

Testing Charmonium Production Mechanism via Polarized $J/\psi$ Pair Production at the LHC

Cong-Feng Qiao, Li-Ping Sun, Peng Sun

arxiv:0903.0954 v4 · 2009-03-05 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Z25ZWOWI3DGMBQLCCLGD3RKTKK}

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 2026-05-18T02:35:00.624362Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cebb9b3ac8d8ccc0c16212cc3dc553528490f99277e9e10e45e8d3b901459b91

Aliases

arxiv: 0903.0954 · arxiv_version: 0903.0954v4 · doi: 10.48550/arxiv.0903.0954 · pith_short_12: Z25ZWOWI3DGM · pith_short_16: Z25ZWOWI3DGMBQLC · pith_short_8: Z25ZWOWI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z25ZWOWI3DGMBQLCCLGD3RKTKK \
  | 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: cebb9b3ac8d8ccc0c16212cc3dc553528490f99277e9e10e45e8d3b901459b91
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d961d9cb64b71b9efb87d0d6133130b2e9cedbeeedd1e243ad2aef13eadd6c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-03-05T13:57:32Z",
    "title_canon_sha256": "090b857ca5943b192da5aec08c0dfa8025eb9684c595fb0132a402f600e0f546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0954",
    "kind": "arxiv",
    "version": 4
  }
}