Pith Number

pith:P7EKPJJK

pith:2007:P7EKPJJK4XAS3LX4R7E75U6INV

not attested not anchored not stored refs pending

Taming Tree Amplitudes In General Relativity

Camille Boucher-Veronneau, Freddy Cachazo, Paolo Benincasa

arxiv:hep-th/0702032 v2 · 2007-02-05 · 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{P7EKPJJK4XAS3LX4R7E75U6INV}

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	2026-07-04T15:41:20.036962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc8a7a52ae5c12daefc8fc9fed3c86d7a2aecf53351ffe604c85c412f936b9b

Aliases

arxiv: hep-th/0702032 · arxiv_version: hep-th/0702032v2 · doi: 10.48550/arxiv.hep-th/0702032 · pith_short_12: P7EKPJJK4XAS · pith_short_16: P7EKPJJK4XAS3LX4 · pith_short_8: P7EKPJJK

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/P7EKPJJK4XAS3LX4R7E75U6INV \
  | 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: 7fc8a7a52ae5c12daefc8fc9fed3c86d7a2aecf53351ffe604c85c412f936b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e74268aed63038a118165f6ab4a87be9a2800613db9ba613fe3cf5657a9ad3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2007-02-05T20:06:31Z",
    "title_canon_sha256": "cf374462f5c439f32f0778f030c2d02c5a188374c96d172fad5cf0dfc1521fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0702032",
    "kind": "arxiv",
    "version": 2
  }
}