Pith Number

pith:YIKBH24Z

pith:2015:YIKBH24ZS5IGZOFE6U7QQMJIUI

not attested not anchored not stored refs pending

On Multi-step BCFW Recursion Relations

Bo Feng, Junjie Rao, Kang Zhou

arxiv:1504.06306 v2 · 2015-04-23 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIKBH24ZS5IGZOFE6U7QQMJIUI}

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	2026-05-18T01:36:38.093445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21413eb9997506cb8a4f53f083128a20c32c825278c3795057d8c3fa291a431

Aliases

arxiv: 1504.06306 · arxiv_version: 1504.06306v2 · doi: 10.48550/arxiv.1504.06306 · pith_short_12: YIKBH24ZS5IG · pith_short_16: YIKBH24ZS5IGZOFE · pith_short_8: YIKBH24Z

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/YIKBH24ZS5IGZOFE6U7QQMJIUI \
  | 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: c21413eb9997506cb8a4f53f083128a20c32c825278c3795057d8c3fa291a431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fca9f6c3159d4422b08340ee79071265e3a01648cf374ae8bd6e839c4ebb6c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-04-23T19:33:53Z",
    "title_canon_sha256": "18cf6edd28f1d16d877ad6c223362f0c8f9039a446d4d38ae15b7cbb9616c8a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06306",
    "kind": "arxiv",
    "version": 2
  }
}