Pith Number

pith:4OJIMXKC

pith:2011:4OJIMXKCG7B2SUYASYJ2GKO2V2

not attested not anchored not stored refs pending

Tomonaga's Conjecture on Photon Self-Energy

Naohiro Kanda, Takehisa Fujita

arxiv:1102.2974 v1 · 2011-02-15 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OJIMXKCG7B2SUYASYJ2GKO2V2}

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	2026-05-18T04:28:38.630350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e392865d4237c3a953009613a329daaebfa1a699e8514d6d9bde1be6c40ad3bb

Aliases

arxiv: 1102.2974 · arxiv_version: 1102.2974v1 · doi: 10.48550/arxiv.1102.2974 · pith_short_12: 4OJIMXKCG7B2 · pith_short_16: 4OJIMXKCG7B2SUYA · pith_short_8: 4OJIMXKC

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/4OJIMXKCG7B2SUYASYJ2GKO2V2 \
  | 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: e392865d4237c3a953009613a329daaebfa1a699e8514d6d9bde1be6c40ad3bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "539889b8223de22df0632666de0878b9ec183bbc11b9c94b63dd4e8015357ae8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-02-15T06:07:33Z",
    "title_canon_sha256": "b9cf0153a1ce39fde87a1ba279cc1f40d3eed84bd4b530b4a8df7f2235326343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2974",
    "kind": "arxiv",
    "version": 1
  }
}