Pith Number

pith:Z7BQRNBI

pith:2014:Z7BQRNBID5MCRKRNBF2Z3QMFQT

not attested not anchored not stored refs pending

Ambitwistor strings in 4-dimensions

Arthur E. Lipstein, Lionel J. Mason, Yvonne Geyer

arxiv:1404.6219 v2 · 2014-04-24 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7BQRNBID5MCRKRNBF2Z3QMFQT}

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

1 paper in Pith

The Conformal Grassmannian: A Symplectic Bi-Grassmannian for $CFT_ 4$ Correlators

Receipt and verification

First computed	2026-05-18T02:41:03.600910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc308b4281f5828aa2d09759dc18584c6b9884769777fb0ff16b2e86615b4af

Aliases

arxiv: 1404.6219 · arxiv_version: 1404.6219v2 · doi: 10.48550/arxiv.1404.6219 · pith_short_12: Z7BQRNBID5MC · pith_short_16: Z7BQRNBID5MCRKRN · pith_short_8: Z7BQRNBI

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/Z7BQRNBID5MCRKRNBF2Z3QMFQT \
  | 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: cfc308b4281f5828aa2d09759dc18584c6b9884769777fb0ff16b2e86615b4af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d5d3f4b97fe70b9203e37b03c0f6c27bc1b637cc6e179d34d69e17c87ec0434",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-24T18:39:39Z",
    "title_canon_sha256": "536ab4bbb8d725ff5e7003f3d2d82bbd45d2cfac5c3ecb468033b27f30a6c987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6219",
    "kind": "arxiv",
    "version": 2
  }
}