Pith Number

pith:ZOBF2X27

pith:2008:ZOBF2X27HQGXQTGA24DG34YNQ2

not attested not anchored not stored refs pending

Gravity, Twistors and the MHV Formalism

David Skinner, Lionel Mason

arxiv:0808.3907 v2 · 2008-08-28 · hep-th · gr-qc · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZOBF2X27HQGXQTGA24DG34YNQ2}

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

4 papers in Pith

Graviton scattering on self-dual black holes

Universality in Relativistic Spinning Particle Models

Towards a Carrollian Description of Yang-Mills

Quasi-Local Celestial Charges and Multipoles

Receipt and verification

First computed	2026-05-18T02:35:15.061570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb825d5f5f3c0d784cc0d7066df30d86b32702d5a6b07a9c01a1947555299300

Aliases

arxiv: 0808.3907 · arxiv_version: 0808.3907v2 · doi: 10.48550/arxiv.0808.3907 · pith_short_12: ZOBF2X27HQGX · pith_short_16: ZOBF2X27HQGXQTGA · pith_short_8: ZOBF2X27

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/ZOBF2X27HQGXQTGA24DG34YNQ2 \
  | 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: cb825d5f5f3c0d784cc0d7066df30d86b32702d5a6b07a9c01a1947555299300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429d35cf1bf7e037213944f4e3df77b1ed9d3e135ee53d318ba5fec34e400c3e",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-08-28T16:32:06Z",
    "title_canon_sha256": "a7e5c0859668405cc51ecb999518ba3d426a4fb49bb9357b733df32605f1f0d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3907",
    "kind": "arxiv",
    "version": 2
  }
}