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Pith Number

pith:75MICVJM

pith:2009:75MICVJMFXRT4E6YJEKVSL7PTR
not attested not anchored not stored refs pending

The Tree Formula for MHV Graviton Amplitudes

Anastasia Volovich, Congkao Wen, Dung Nguyen, Marcus Spradlin

arxiv:0907.2276 v2 · 2009-07-14 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{75MICVJMFXRT4E6YJEKVSL7PTR}

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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

12 papers in Pith

Receipt and verification
First computed 2026-05-18T04:25:51.155194Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ff5881552c2de33e13d84915592fef9c4a556ca46d1f4471b1a8238eded551af

Aliases

arxiv: 0907.2276 · arxiv_version: 0907.2276v2 · doi: 10.48550/arxiv.0907.2276 · pith_short_12: 75MICVJMFXRT · pith_short_16: 75MICVJMFXRT4E6Y · pith_short_8: 75MICVJM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/75MICVJMFXRT4E6YJEKVSL7PTR \
  | 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: ff5881552c2de33e13d84915592fef9c4a556ca46d1f4471b1a8238eded551af
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8d9c20b4efd0c9883a066c5ac9349594ec62b1bde22ceaaf13d147f7421eb899",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-07-14T19:04:54Z",
    "title_canon_sha256": "397f0d3710d9e598c7c6fd998ae4c856df0f93bf9542469b61fb64a4e6c929d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2276",
    "kind": "arxiv",
    "version": 2
  }
}