Pith Number

pith:SIRFNHVH

pith:2013:SIRFNHVHQB5CJANEP46U5TFDW7

not attested not anchored not stored refs pending

Are there infinitely many decompositions of the nucleon spin ?

Masashi Wakamatsu

arxiv:1302.5152 v3 · 2013-02-21 · hep-ph · hep-ex · nucl-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{SIRFNHVHQB5CJANEP46U5TFDW7}

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	2026-05-18T01:51:34.669504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9222569ea7807a2481a47f3d4ecca3b7c2a1fd556be9dd45e4fd30d913eb0241

Aliases

arxiv: 1302.5152 · arxiv_version: 1302.5152v3 · doi: 10.48550/arxiv.1302.5152 · pith_short_12: SIRFNHVHQB5C · pith_short_16: SIRFNHVHQB5CJANE · pith_short_8: SIRFNHVH

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/SIRFNHVHQB5CJANEP46U5TFDW7 \
  | 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: 9222569ea7807a2481a47f3d4ecca3b7c2a1fd556be9dd45e4fd30d913eb0241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25368d6096cebae87ce382b46db8ba1df68410e3ef29cd5a0bb2169c4df250b",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-02-21T00:39:46Z",
    "title_canon_sha256": "34e910536e6578ad91db7d2d4f4a6750cf12c57134bf5a27cf1c947ac4b60469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5152",
    "kind": "arxiv",
    "version": 3
  }
}