pith. sign in
Pith Number

pith:HH4LIUHK

pith:2013:HH4LIUHKK5ZI4ENCMHP74DMKHN
not attested not anchored not stored refs pending

Theoretical issues in PDF determination and associated uncertainties

Alberto Guffanti, Juan Rojo, Luigi Del Debbio, Maria Ubiali, Stefano Forte, The NNPDF Collaboration: Richard D. Ball, Valerio Bertone

arxiv:1303.1189 v2 · 2013-03-05 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HH4LIUHKK5ZI4ENCMHP74DMKHN}

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 2026-05-18T03:26:11.974428Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

39f8b450ea57728e11a261dffe0d8a3b408c146f46a653585a4fa1ee9e4450a8

Aliases

arxiv: 1303.1189 · arxiv_version: 1303.1189v2 · doi: 10.48550/arxiv.1303.1189 · pith_short_12: HH4LIUHKK5ZI · pith_short_16: HH4LIUHKK5ZI4ENC · pith_short_8: HH4LIUHK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HH4LIUHKK5ZI4ENCMHP74DMKHN \
  | 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: 39f8b450ea57728e11a261dffe0d8a3b408c146f46a653585a4fa1ee9e4450a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d03f83a19041d0b581bdccaad334a0696bae0769492a2662456fbd4849d06edd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-03-05T21:01:27Z",
    "title_canon_sha256": "755e7465354ca3c047514ed438a01474019b3a47d4e5f866a8c271fe29482708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1189",
    "kind": "arxiv",
    "version": 2
  }
}