Pith Number

pith:VQD2UKTF

pith:2013:VQD2UKTF7D4ALYZVNVNNOXFN6W

not attested not anchored not stored refs pending

Helicity amplitudes for photoexcitation of nucleon resonances off neutrons

A.V. Anisovich, A.V. Sarantsev, E. Klempt, U. Thoma, V.A. Nikonov, V. Burkert

arxiv:1304.2177 v1 · 2013-04-08 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQD2UKTF7D4ALYZVNVNNOXFN6W}

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	2026-05-18T01:50:41.698600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac07aa2a65f8f805e3356d5ad75cadf5944abcc1a3eb62eecc41c83a06bce086

Aliases

arxiv: 1304.2177 · arxiv_version: 1304.2177v1 · doi: 10.48550/arxiv.1304.2177 · pith_short_12: VQD2UKTF7D4A · pith_short_16: VQD2UKTF7D4ALYZV · pith_short_8: VQD2UKTF

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/VQD2UKTF7D4ALYZVNVNNOXFN6W \
  | 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: ac07aa2a65f8f805e3356d5ad75cadf5944abcc1a3eb62eecc41c83a06bce086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e69197d886f091c200b97b0b27259181220b63d51ac1f041af366ce43045b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2013-04-08T12:07:35Z",
    "title_canon_sha256": "02924acba14a0db1862bc924ad1e4424c16eb62ee7698bc695b976fa62472e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2177",
    "kind": "arxiv",
    "version": 1
  }
}