Pith Number

pith:57LBIMCG

pith:2009:57LBIMCGRH7AG5GUOMQRA7W3MP

not attested not anchored not stored refs pending

Anti-Matter in Cosmic Rays : Backgrounds and Signals

Fiorenza Donato, Julien Lavalle, Nicolao Fornengo, Pierre Brun, Pierre Salati, Richard Taillet, Roberto Lineros, Timur Delahaye

arxiv:0905.2144 v2 · 2009-05-13 · hep-ph · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57LBIMCGRH7AG5GUOMQRA7W3MP}

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	2026-07-04T15:42:43.767249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd614304689fe0374d47321107edb63cea19eaf33bb828897f320dafc3d5b81

Aliases

arxiv: 0905.2144 · arxiv_version: 0905.2144v2 · doi: 10.48550/arxiv.0905.2144 · pith_short_12: 57LBIMCGRH7A · pith_short_16: 57LBIMCGRH7AG5GU · pith_short_8: 57LBIMCG

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/57LBIMCGRH7AG5GUOMQRA7W3MP \
  | 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: efd614304689fe0374d47321107edb63cea19eaf33bb828897f320dafc3d5b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0e738dec8fb262f497360bc3bd5823383b7ca4c0a8017d060ab2b088dd13c2e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-05-13T16:45:29Z",
    "title_canon_sha256": "f3f4cca0c49628b14a37f7395930e4b80ecb1136d15736034c9620be824b8a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2144",
    "kind": "arxiv",
    "version": 2
  }
}