Pith Number

pith:HXBVS47X

pith:2021:HXBVS47XSDYMPRJPE4YYN43I2U

not attested not anchored not stored refs pending

Twistor sigma models for quaternionic geometry and graviton scattering

Atul Sharma, Lionel Mason, Tim Adamo

arxiv:2103.16984 v2 · 2021-03-31 · hep-th · gr-qc · math.AG · 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{HXBVS47XSDYMPRJPE4YYN43I2U}

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

Schwarzschild black holes from twistor space

Graviton scattering on self-dual black holes

Receipt and verification

First computed	2026-07-05T08:31:01.157940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc35973f790f0c7c52f273186f368d5207a76b9ef4dca7b6bbc5ab399cf4774

Aliases

arxiv: 2103.16984 · arxiv_version: 2103.16984v2 · doi: 10.48550/arxiv.2103.16984 · pith_short_12: HXBVS47XSDYM · pith_short_16: HXBVS47XSDYMPRJP · pith_short_8: HXBVS47X

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/HXBVS47XSDYMPRJPE4YYN43I2U \
  | 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: 3dc35973f790f0c7c52f273186f368d5207a76b9ef4dca7b6bbc5ab399cf4774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a4d2892130ca9ddc24f33e544171ec5fcd9633f8e390aa5a44df47b91e9671",
    "cross_cats_sorted": [
      "gr-qc",
      "math.AG",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-03-31T11:00:48Z",
    "title_canon_sha256": "f39f16451a523fe3ef0d9fd4dce6be92254a7ef34618f0794522a7030ec9d144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16984",
    "kind": "arxiv",
    "version": 2
  }
}