Pith Number

pith:2PKP7QFK

pith:2019:2PKP7QFKK262BSEDNTGQYIVFWA

not attested not anchored not stored refs pending

$\omega N$ scattering length from $\omega$ photoproduction on the proton near the threshold

A. Hosaka, A. Kawano, A. Nakamura, F. Miyahara, H. Fujimura, H. Fukasawa, H. Shimizu, H. Sugai, H. Yamazaki, H.Y. Yoshida, K. Maeda, K. Mochizuki, K. Nawa, K. Okamura, K. Ozawa, K. Suzuki, M. Miyabe, M. Sato, N. Muramatsu, Q. He, R. Hashimoto, R. Yamazaki, S. Kaida, S. Kuwasaki, S. Masumoto, S. Ogushi, S. Takahashi, S.X. Nakamura, T. Ishikawa, T. Iwata, T. Sato, Y. Honda, Y. Okada, Y. Onodera, Y. Sakamoto, Y. Tajima, Y. Taniguchi, Y. Tsuchikawa

arxiv:1904.02797 v2 · 2019-04-04 · 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{2PKP7QFKK262BSEDNTGQYIVFWA}

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	2026-07-05T01:02:01.670662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d4ffc0aa56bda0c8836ccd0c22a5b028ac3954b029c539f91e163bcb8d514d

Aliases

arxiv: 1904.02797 · arxiv_version: 1904.02797v2 · doi: 10.48550/arxiv.1904.02797 · pith_short_12: 2PKP7QFKK262 · pith_short_16: 2PKP7QFKK262BSED · pith_short_8: 2PKP7QFK

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/2PKP7QFKK262BSEDNTGQYIVFWA \
  | 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: d3d4ffc0aa56bda0c8836ccd0c22a5b028ac3954b029c539f91e163bcb8d514d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c75f8d84d69ffe6e5ca7f907c61154c0ae84500cf547439230200b1e05c1e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-04-04T21:43:12Z",
    "title_canon_sha256": "3e056cfed97586a6c73119dfe056b05acc3cac8f9ef96373cabaa42cba5c0c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02797",
    "kind": "arxiv",
    "version": 2
  }
}