Pith Number

pith:MVRFUIPF

pith:2009:MVRFUIPFAUULK33IUGQGL4WBTP

not attested not anchored not stored refs pending

Ultra-High Energy Cosmic Rays Detected by Auger and AGASA:Corrections for Galactic Magnetic Field Deflections, Source Populations, and Arguments for Multiple-Components

Javier Matulich, Neil M. Nagar

arxiv:0912.2131 v1 · 2009-12-11 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVRFUIPFAUULK33IUGQGL4WBTP}

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	2026-05-18T02:10:24.645133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65625a21e50528b56f68a1a065f2c19bc81097d9ebcf2cec2057906cc3511db3

Aliases

arxiv: 0912.2131 · arxiv_version: 0912.2131v1 · doi: 10.48550/arxiv.0912.2131 · pith_short_12: MVRFUIPFAUUL · pith_short_16: MVRFUIPFAUULK33I · pith_short_8: MVRFUIPF

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/MVRFUIPFAUULK33IUGQGL4WBTP \
  | 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: 65625a21e50528b56f68a1a065f2c19bc81097d9ebcf2cec2057906cc3511db3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc67559bc7eefeb2af3861b3ef29bd689080409eeee2fde971fdec29576a0a9c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-11T00:30:44Z",
    "title_canon_sha256": "3418e38d9da2b1bf6b13e736832e172ba453fccea62acf6e3d521517c2fa9902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2131",
    "kind": "arxiv",
    "version": 1
  }
}