Pith Number

pith:6U2LYBUQ

pith:2009:6U2LYBUQ7UUGAVFDQ7ZBSQTE6R

not attested not anchored not stored refs pending

Real next-to-next-to-leading-order QCD corrections to J/psi and Upsilon hadroproduction in association with a photon

J. P. Lansberg

arxiv:0901.4777 v2 · 2009-01-29 · hep-ph · hep-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{6U2LYBUQ7UUGAVFDQ7ZBSQTE6R}

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	2026-07-04T15:51:48.685506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f534bc0690fd286054a387f2194264f45c2c084d5c90efae438c9269611ea1ae

Aliases

arxiv: 0901.4777 · arxiv_version: 0901.4777v2 · doi: 10.48550/arxiv.0901.4777 · pith_short_12: 6U2LYBUQ7UUG · pith_short_16: 6U2LYBUQ7UUGAVFD · pith_short_8: 6U2LYBUQ

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/6U2LYBUQ7UUGAVFDQ7ZBSQTE6R \
  | 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: f534bc0690fd286054a387f2194264f45c2c084d5c90efae438c9269611ea1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be479527eac97ac5e8b430240c1ab551c8c5c55c8769480bff40bec7dd04b691",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-29T23:25:41Z",
    "title_canon_sha256": "5f8b087989decf908d0c07d4fc055dd1ad712a83238d74d007c4740b3d16aa01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4777",
    "kind": "arxiv",
    "version": 2
  }
}