Pith Number

pith:NNPFSIQ4

pith:2011:NNPFSIQ4VDP3SQFIFPRLNO7YSR

not attested not anchored not stored refs pending

ELMAG: A Monte Carlo simulation of electromagnetic cascades on the extragalactic background light and in magnetic fields

M. Kachelriess, R. Tomas, S. Ostapchenko

arxiv:1106.5508 v2 · 2011-06-27 · 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{NNPFSIQ4VDP3SQFIFPRLNO7YSR}

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	2026-05-18T03:57:27.447158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5e59221ca8dfb940a82be2b6bbf8944db39117c5686e6c31d54f6ea5369a9a

Aliases

arxiv: 1106.5508 · arxiv_version: 1106.5508v2 · doi: 10.48550/arxiv.1106.5508 · pith_short_12: NNPFSIQ4VDP3 · pith_short_16: NNPFSIQ4VDP3SQFI · pith_short_8: NNPFSIQ4

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/NNPFSIQ4VDP3SQFIFPRLNO7YSR \
  | 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: 6b5e59221ca8dfb940a82be2b6bbf8944db39117c5686e6c31d54f6ea5369a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797b6d82be47b6732e89616ce19fe7adc9974fbf0ca0bff0ebdf2e7622820b06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-27T20:02:09Z",
    "title_canon_sha256": "c337a60f11440d22764737b1a311e03d4cbac7eeac369c7fdadfee0aa0c94414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5508",
    "kind": "arxiv",
    "version": 2
  }
}