Pith Number

pith:XAWVS37C

pith:2010:XAWVS37C4BMOWPZCKTFTLJA2GX

not attested not anchored not stored refs pending

A Direct Proof of BCFW Recursion for Twistor-Strings

David Skinner

arxiv:1007.0195 v1 · 2010-07-01 · hep-th · 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{XAWVS37C4BMOWPZCKTFTLJA2GX}

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.

Receipt and verification

First computed	2026-05-18T04:27:27.050809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82d596fe2e058eb3f2254cb35a41a35c6ecd62ed72578dd2b613d45937e9f42

Aliases

arxiv: 1007.0195 · arxiv_version: 1007.0195v1 · doi: 10.48550/arxiv.1007.0195 · pith_short_12: XAWVS37C4BMO · pith_short_16: XAWVS37C4BMOWPZC · pith_short_8: XAWVS37C

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/XAWVS37C4BMOWPZCKTFTLJA2GX \
  | 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: b82d596fe2e058eb3f2254cb35a41a35c6ecd62ed72578dd2b613d45937e9f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c4a10ddebef79038ec4546e46db9d24b007fa023823ce3c8c3597b31216750",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-07-01T15:37:36Z",
    "title_canon_sha256": "51c8627833f9de6e0f1bd5a360b7efce166ac4a356db75ffc6aa006390613c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0195",
    "kind": "arxiv",
    "version": 1
  }
}