Pith Number

pith:CY4Y2KRW

pith:1999:CY4Y2KRWB2B2BWBAC52SVBFLQ7

not attested not anchored not stored refs pending

Pion cloud and the $Q^2-$dependence of $\gamma^* N \leftrightarrow \Delta$ transition form factors

Shin Nan Yang (National Taiwan University), S. S. Kamalov

arxiv:nucl-th/9904072 v1 · 1999-04-28 · nucl-th · hep-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{CY4Y2KRWB2B2BWBAC52SVBFLQ7}

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	2026-07-04T17:25:28.820435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16398d2a360e83a0d82017752a84ab87f4e30be471a5a2bc6565a7c634bfa001

Aliases

arxiv: nucl-th/9904072 · arxiv_version: nucl-th/9904072v1 · doi: 10.48550/arxiv.nucl-th/9904072 · pith_short_12: CY4Y2KRWB2B2 · pith_short_16: CY4Y2KRWB2B2BWBA · pith_short_8: CY4Y2KRW

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/CY4Y2KRWB2B2BWBAC52SVBFLQ7 \
  | 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: 16398d2a360e83a0d82017752a84ab87f4e30be471a5a2bc6565a7c634bfa001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d129996fc0cf7168aa7def95c6e36042cfbf897b305d7eb240197f404207f02d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-04-28T10:15:26Z",
    "title_canon_sha256": "d5ecdd738f0fb66d0c48bdb95abc2d25dfd3f389d5584bae19115ecb24cedd05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9904072",
    "kind": "arxiv",
    "version": 1
  }
}