Pith Number

pith:2PVO2BEV

pith:2026:2PVO2BEVACHCRARZ6XRFYKXLSF

not attested not anchored not stored refs pending

Assessing the Impact of Fitting Methodology at aN$^3$LO with FPPDF: an Open Source Tool for Extracting Parton Distribution Functions in the Hessian Approach

J. M. Cruz-Martinez, L. A. Harland-Lang, T. Giani

arxiv:2602.07118 v2 · 2026-02-06 · 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{2PVO2BEVACHCRARZ6XRFYKXLSF}

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.

Cited by

2 papers in Pith

Hyperoptimisation algorithm for the next generation of PDF determinations: ensemble regression with an unbiased selection model

Precision QCD with the Electron-Ion Collider

Receipt and verification

First computed	2026-07-29T01:24:29.133680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3eaed0495008e288239f5e25c2aeb914714af438a98f2c68e3b5d377aa3351c

Aliases

arxiv: 2602.07118 · arxiv_version: 2602.07118v2 · doi: 10.48550/arxiv.2602.07118 · pith_short_12: 2PVO2BEVACHC · pith_short_16: 2PVO2BEVACHCRARZ · pith_short_8: 2PVO2BEV

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/2PVO2BEVACHCRARZ6XRFYKXLSF \
  | 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: d3eaed0495008e288239f5e25c2aeb914714af438a98f2c68e3b5d377aa3351c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cd50f6b47f7ba12c07677216c0cabed6102a6c6d104e368a07c14c1046bb9a",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-02-06T19:00:04Z",
    "title_canon_sha256": "bc9da6b69418dadd6163435f5e08acc78d2aa334b3feaa1615c7c49e1eab4c2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07118",
    "kind": "arxiv",
    "version": 2
  }
}