pith. sign in
Pith Number

pith:FBDNODVY

pith:2012:FBDNODVYCUFH6RC3RYAUB2IYCK
not attested not anchored not stored refs pending

String-inspired representations of photon/gluon amplitudes

Christian Schubert, Naser Ahmadiniaz, Victor M. Villanueva

arxiv:1211.1821 v2 · 2012-11-08 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FBDNODVYCUFH6RC3RYAUB2IYCK}

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 2026-05-18T01:53:18.090066Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2846d70eb8150a7f445b8e0140e91812b281ee66f840a7d46a35bc8e2b295ce3

Aliases

arxiv: 1211.1821 · arxiv_version: 1211.1821v2 · doi: 10.48550/arxiv.1211.1821 · pith_short_12: FBDNODVYCUFH · pith_short_16: FBDNODVYCUFH6RC3 · pith_short_8: FBDNODVY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FBDNODVYCUFH6RC3RYAUB2IYCK \
  | 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: 2846d70eb8150a7f445b8e0140e91812b281ee66f840a7d46a35bc8e2b295ce3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "985592da5644b451eaa2fffff9dc51819b3e2ca59a4991bed61ca5ae1beedbf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-11-08T10:42:50Z",
    "title_canon_sha256": "41558ce9c1c644a613447d657eb28d919b8ffda8a7d305366a2d1a2ad859c21f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1821",
    "kind": "arxiv",
    "version": 2
  }
}