Pith Number

pith:EDE42RCD

pith:2012:EDE42RCD6QUSQFVWRI6VJHESC7

not attested not anchored not stored refs pending

A simple formula for gravitational MHV amplitudes

Andrew Hodges

arxiv:1204.1930 v1 · 2012-04-09 · 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{EDE42RCD6QUSQFVWRI6VJHESC7}

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.

Cited by

2 papers in Pith

An Alternative Viewpoint on Kinematic Flow from Tubing Splitting

Graviton scattering on self-dual black holes

Receipt and verification

First computed	2026-05-18T03:58:14.702760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c9cd4443f4292816b68a3d549c9217c04134e34fe5c6d74149d09d9a0e27fa

Aliases

arxiv: 1204.1930 · arxiv_version: 1204.1930v1 · doi: 10.48550/arxiv.1204.1930 · pith_short_12: EDE42RCD6QUS · pith_short_16: EDE42RCD6QUSQFVW · pith_short_8: EDE42RCD

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/EDE42RCD6QUSQFVWRI6VJHESC7 \
  | 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: 20c9cd4443f4292816b68a3d549c9217c04134e34fe5c6d74149d09d9a0e27fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e83534a796364f5f8ade64f47422a10faa27b821c936fb68493755d57d982098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-09T17:21:12Z",
    "title_canon_sha256": "1cf4d876f5a15f716660523ba6a53cc2fe5c347365c5e0652dce25205be16dea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1930",
    "kind": "arxiv",
    "version": 1
  }
}