Pith Number

pith:R3HIT2FX

pith:2009:R3HIT2FXLWC6YZC5Z7SXCIRBF2

not attested not anchored not stored refs pending

Ultra High Energy Cosmic Ray, Neutrino, and Photon Propagation and the Multi-Messenger Approach

Alexandra De Castro, Andrew M. Taylor, Edith Castillo-Ruiz

arxiv:0902.3012 v1 · 2009-02-18 · 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{R3HIT2FXLWC6YZC5Z7SXCIRBF2}

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	2026-05-18T02:35:01.059867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ece89e8b75d85ec645dcfe57122212eb66ca782fb9300d221fb9ecbd2026b33

Aliases

arxiv: 0902.3012 · arxiv_version: 0902.3012v1 · doi: 10.48550/arxiv.0902.3012 · pith_short_12: R3HIT2FXLWC6 · pith_short_16: R3HIT2FXLWC6YZC5 · pith_short_8: R3HIT2FX

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/R3HIT2FXLWC6YZC5Z7SXCIRBF2 \
  | 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: 8ece89e8b75d85ec645dcfe57122212eb66ca782fb9300d221fb9ecbd2026b33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8eb152098ca0b177c9e6ebe093f8e979bef8c13dc3b1a148866ae9e5308b32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-18T08:48:29Z",
    "title_canon_sha256": "5d90cfb17909083422a441551da04e35e7d2d21855dc0ad264b30eabb3a90933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3012",
    "kind": "arxiv",
    "version": 1
  }
}