pith. sign in
Pith Number

pith:K2LEX2FX

pith:1996:K2LEX2FX567CMXC4A4A2O7QEIY
not attested not anchored not stored refs pending

Constraints on the polarized gluon density in the proton from charm photoproduction

G. Ridolfi, S. Frixione

arxiv:hep-ph/9605209 v1 · 1996-05-02 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K2LEX2FX567CMXC4A4A2O7QEIY}

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 2026-05-18T04:17:43.607065Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

56964be8b7efbe265c5c0701a77e04460c0166ccbc8ffcfdba77897a784f4235

Aliases

arxiv: hep-ph/9605209 · arxiv_version: hep-ph/9605209v1 · doi: 10.48550/arxiv.hep-ph/9605209 · pith_short_12: K2LEX2FX567C · pith_short_16: K2LEX2FX567CMXC4 · pith_short_8: K2LEX2FX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K2LEX2FX567CMXC4A4A2O7QEIY \
  | 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: 56964be8b7efbe265c5c0701a77e04460c0166ccbc8ffcfdba77897a784f4235
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0fcec7f9800170eb0f254e89d4b1a827521eaed97ff0fa04a9940339da616ebc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1996-05-02T15:26:27Z",
    "title_canon_sha256": "48415d02b6a511ee49bba886d89daef823ecfb9c37505418e1806ac2ff12bff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9605209",
    "kind": "arxiv",
    "version": 1
  }
}