Pith Number

pith:APRFBH7Y

pith:2012:APRFBH7YAJJYR6D7K2XHLFJKJX

not attested not anchored not stored refs pending

First observation of the hyper superheavy hydrogen 6{\Lambda}H

A. Feliciello, A. Filippi, A. Fontana, A. Gal, A. Pantaleo, A. Zenoni (The FINUDA Collaboration), B. Dalena, D. Calvo, E. Botta, E.M. Fiore, F. De Mori, F.L. Fabbri, F. Moia, G. Bonomi, G. D'erasmo, G. Simonetti, H.C. Bhang, H. Fujioka, H. Outa, L. Benussi, L. Busso, M. Agnello, M. Bertani, M. Bregant, N. Grion, N. Mirfakhrai, O. Morra, P. Camerini, P. Genova, P. Gianotti, R. Rui, R. Wheadon, S. Bufalino, S. Marcello, S. Piano, T. Bressani, T. Nagae, V. Lucherini, V. Paticchio

arxiv:1203.1954 v2 · 2012-03-08 · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APRFBH7YAJJYR6D7K2XHLFJKJX}

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	2026-05-18T03:55:35.245279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e2509ff8025388f87f56ae75952a4dd55d56ef8f4ad5bef4198f2b3e51c64f

Aliases

arxiv: 1203.1954 · arxiv_version: 1203.1954v2 · doi: 10.48550/arxiv.1203.1954 · pith_short_12: APRFBH7YAJJY · pith_short_16: APRFBH7YAJJYR6D7 · pith_short_8: APRFBH7Y

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/APRFBH7YAJJYR6D7K2XHLFJKJX \
  | 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: 03e2509ff8025388f87f56ae75952a4dd55d56ef8f4ad5bef4198f2b3e51c64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8c151b0fa705e3c007778bb08977f8c36093eb268fc0a2c64cb14c09a87efc1",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2012-03-08T22:45:56Z",
    "title_canon_sha256": "98266e3925fd945b0fb9bbb64a609f8e88403acf77e5782a56471392212031cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1954",
    "kind": "arxiv",
    "version": 2
  }
}