Pith Number

pith:4MED2K2N

pith:2012:4MED2K2NPARYHC2XFCSWNQ4KFS

not attested not anchored not stored refs pending

Kaonic hydrogen X-ray measurement in SIDDHARTA

A. d'Uffizi, A. Longoni, A. M. Bragadireanu, A. Rizzo, A. Romero Vidal, A. Scordo, A. Tudorache, C. Curceanu (Petrascu), C. Fiorini, C. Guaraldo, D. L. Sirghi, D. Pietreanu, E. Widmann, F. Ghio, F. Sirghi, G. Beer, G. Corradi, H. Shi, H. Tatsuno, J. Marton, J. Zmeskal, L. Bombelli, M. Bazzi, M. Cargnelli, M. Iliescu, M. Iwasaki, O. Vazquez Doce, P. Kienle, P. Levi Sandri, R. S. Hayano, S. Okada, T. Frizzi, T. Ishiwatari, T. Ponta, V. Lucherini, V. Tudorache

arxiv:1201.4635 v1 · 2012-01-23 · 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{4MED2K2NPARYHC2XFCSWNQ4KFS}

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	2026-05-18T04:04:05.539511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3083d2b4d7823838b5728a566c38a2ca1dbc088c0ca6a6cbb5982e6cc5972b4

Aliases

arxiv: 1201.4635 · arxiv_version: 1201.4635v1 · doi: 10.48550/arxiv.1201.4635 · pith_short_12: 4MED2K2NPARY · pith_short_16: 4MED2K2NPARYHC2X · pith_short_8: 4MED2K2N

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/4MED2K2NPARYHC2XFCSWNQ4KFS \
  | 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: e3083d2b4d7823838b5728a566c38a2ca1dbc088c0ca6a6cbb5982e6cc5972b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76a496051143009a470f04f9d4b626cc46032fa3c30646c105bdb8d6d574d1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2012-01-23T07:10:08Z",
    "title_canon_sha256": "051f3c8cb5818f47e409d2ed11d87c348b372dcb0dffcfec41928f838a27ced1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4635",
    "kind": "arxiv",
    "version": 1
  }
}