Pith Number

pith:MRCHUGZH

pith:2009:MRCHUGZHXKBO6NRKMIDPMUOGKZ

not attested not anchored not stored refs pending

Space-time Evolution of J/psi Production in High Energy Nuclear Collisions

Nu Xu, Pengfei Zhuang, Yunpeng Liu, Zhen Qu

arxiv:0901.1984 v2 · 2009-01-14 · 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{MRCHUGZHXKBO6NRKMIDPMUOGKZ}

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	2026-07-04T17:19:26.632429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64447a1b27ba82ef362a6206f651c6567233b1bde1b1ec6c9c798504f402e070

Aliases

arxiv: 0901.1984 · arxiv_version: 0901.1984v2 · doi: 10.48550/arxiv.0901.1984 · pith_short_12: MRCHUGZHXKBO · pith_short_16: MRCHUGZHXKBO6NRK · pith_short_8: MRCHUGZH

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/MRCHUGZHXKBO6NRKMIDPMUOGKZ \
  | 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: 64447a1b27ba82ef362a6206f651c6567233b1bde1b1ec6c9c798504f402e070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c83bf397108adb8138fa170958fc2f9df8ae16f9e75902dffad45d95e9bb1b82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2009-01-14T12:02:40Z",
    "title_canon_sha256": "1ade85a0a3cb5bf52b1f2e2200121f89ca039cbbf522b374a99b146d7d8aeec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1984",
    "kind": "arxiv",
    "version": 2
  }
}