Pith Number

pith:DQD2HHSQ

pith:2012:DQD2HHSQ3U6S2WRP3L2AZNFBFA

not attested not anchored not stored refs pending

On the $\gamma^*\gamma \to\pi(\eta ,\eta')$ transition form factors

Berthold Stech, Dmitri Melikhov

arxiv:1202.4471 v2 · 2012-02-20 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQD2HHSQ3U6S2WRP3L2AZNFBFA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:58:50.834287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c07a39e50dd3d2d5a2fdaf40cb4a12833ee6bfb38bc86032f44df1c9b24cf11

Aliases

arxiv: 1202.4471 · arxiv_version: 1202.4471v2 · doi: 10.48550/arxiv.1202.4471 · pith_short_12: DQD2HHSQ3U6S · pith_short_16: DQD2HHSQ3U6S2WRP · pith_short_8: DQD2HHSQ

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/DQD2HHSQ3U6S2WRP3L2AZNFBFA \
  | 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: 1c07a39e50dd3d2d5a2fdaf40cb4a12833ee6bfb38bc86032f44df1c9b24cf11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b1d4b937d63305e269c8c2c16bcd941249c542e25a6221282c7977786760553",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-02-20T21:26:14Z",
    "title_canon_sha256": "3d2ac742b7099ff77e2dbcc8a7c8721315385c49bca97934b2151bc6007f3a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4471",
    "kind": "arxiv",
    "version": 2
  }
}