Pith Number

pith:OANIPESV

pith:2004:OANIPESVXUL5C567M3XFPEDDMM

not attested not anchored not stored refs pending

Computing One-Loop Amplitudes From The Holomorphic Anomaly Of Unitarity Cuts

Bo Feng, Freddy Cachazo, Ruth Britto

arxiv:hep-th/0410179 v3 · 2004-10-18 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OANIPESVXUL5C567M3XFPEDDMM}

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	2026-07-04T16:49:03.758948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701a879255bd17d177df66ee579063633a3f4b0610ce711b50a68bb9b0453004

Aliases

arxiv: hep-th/0410179 · arxiv_version: hep-th/0410179v3 · doi: 10.48550/arxiv.hep-th/0410179 · pith_short_12: OANIPESVXUL5 · pith_short_16: OANIPESVXUL5C567 · pith_short_8: OANIPESV

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/OANIPESVXUL5C567M3XFPEDDMM \
  | 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: 701a879255bd17d177df66ee579063633a3f4b0610ce711b50a68bb9b0453004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aa7d49c827f28dd8a2aa451d101e16faa4957bde0f5dcb847a660aa8d3c3eb1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-10-18T18:29:09Z",
    "title_canon_sha256": "01979ebf888ebff5a6d94cdf9ac98fbd819fec713de3991dac183f66f918b041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0410179",
    "kind": "arxiv",
    "version": 3
  }
}