Pith Number

pith:MJDFXCCI

pith:1999:MJDFXCCIFF2MCQV3TCG2PFHAJC

not attested not anchored not stored refs pending

Search for a 33.9 MeV/c^2 Neutral Particle in Pion Decay

A. Alton, A. Bodek, A. Romosan, A. Vaitaitis, B. T. Fleming, C. McNulty, D. A. Harris, D. Buchholz, D. Mason, D. Naples, E. D. Zimmerman, E. G. Stern, G .P. Zeller, H. Budd, H. M. Schellman, J. A. Formaggio, J. Brau, J. Goldman, J. H. Kim, J. M. Conrad, J. Yu, K. S. McFarland, L. Bugel, L. de Barbaro, M. Goncharov, M. H. Shaevitz, M. J. Lamm, M. Vakili, P. de Barbaro, P. Nienaber, P. Spentzouris, R. A. Johnson, R. B. Drucker, R. Frey, R. H. Bernstein, S. Avvakumov, S. Case, S. Koutsoliotas, T. Adams, T. Bolton, U. K. Yang, V. Wu, W. K. Sakumoto, W. Marsh

arxiv:hep-ex/9912062 v1 · 1999-12-24 · hep-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{MJDFXCCIFF2MCQV3TCG2PFHAJC}

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	2026-07-04T15:29:27.631188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62465b88482974c142bb988da794e048b50a20b8b432e51200743d4c8f28a8f1

Aliases

arxiv: hep-ex/9912062 · arxiv_version: hep-ex/9912062v1 · doi: 10.48550/arxiv.hep-ex/9912062 · pith_short_12: MJDFXCCIFF2M · pith_short_16: MJDFXCCIFF2MCQV3 · pith_short_8: MJDFXCCI

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/MJDFXCCIFF2MCQV3TCG2PFHAJC \
  | 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: 62465b88482974c142bb988da794e048b50a20b8b432e51200743d4c8f28a8f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56d1ae66fdfddd03f4128756c90387075976a5904d11de1a70f7cbc65191bf4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1999-12-24T16:44:11Z",
    "title_canon_sha256": "389ed6bdacde9cfa08354fa9328342ebf1c03dbc8ef5fefebbbc11db560f9ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9912062",
    "kind": "arxiv",
    "version": 1
  }
}