Pith Number

pith:U3DETMKA

pith:2021:U3DETMKAA7S5QCYLU3RDLG7VF7

not attested not anchored not stored refs pending

Twistor action for general relativity

Atul Sharma

arxiv:2104.07031 v2 · 2021-04-14 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3DETMKAA7S5QCYLU3RDLG7VF7}

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

Schwarzschild black holes from twistor space

Supersymmetric twists in twistor space and holography

Graviton scattering on self-dual black holes

Towards a Carrollian Description of Yang-Mills

Receipt and verification

First computed	2026-07-05T03:01:23.998944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c649b14007e5d80b0ba6e2359bf52fe41a922a7eddd467b11e0f4a262d33d3

Aliases

arxiv: 2104.07031 · arxiv_version: 2104.07031v2 · doi: 10.48550/arxiv.2104.07031 · pith_short_12: U3DETMKAA7S5 · pith_short_16: U3DETMKAA7S5QCYL · pith_short_8: U3DETMKA

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/U3DETMKAA7S5QCYLU3RDLG7VF7 \
  | 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: a6c649b14007e5d80b0ba6e2359bf52fe41a922a7eddd467b11e0f4a262d33d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd08beb756802fb7487ae28272267f0dc58f8f401b45bf237cc0c89c85387f1",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-04-14T18:00:00Z",
    "title_canon_sha256": "afea100a36569e69e3fd0ac371ace26a6fe02dd81dbcb690b3b6c1b2b35521da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07031",
    "kind": "arxiv",
    "version": 2
  }
}