Pith Number

pith:WFFGI5EY

pith:2013:WFFGI5EYI7NT5GHMYBDCEYJLRL

not attested not anchored not stored refs pending

How cosmic-ray electron propagation affects radio-far-infrared correlations in M31 and M33

Elly M. Berkhuijsen, Fatemeh S. Tabatabaei, Rainer Beck

arxiv:1307.7991 v1 · 2013-07-30 · astro-ph.GA · 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{WFFGI5EYI7NT5GHMYBDCEYJLRL}

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	2026-05-18T01:48:32.859079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba

Aliases

arxiv: 1307.7991 · arxiv_version: 1307.7991v1 · doi: 10.48550/arxiv.1307.7991 · pith_short_12: WFFGI5EYI7NT · pith_short_16: WFFGI5EYI7NT5GHM · pith_short_8: WFFGI5EY

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/WFFGI5EYI7NT5GHMYBDCEYJLRL \
  | 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: b14a64749847db3e98ecc04622612b8aea8df86ed64e38f9e513efb4b437d2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2884bec3c1ccef8c5ab7e42da8ebc62d053e1a395036833f7e171d024314a86",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-30T14:16:50Z",
    "title_canon_sha256": "7626f2acf68c40f739f25616488fc36aa67c94bf77225cacd3ab1bacbde25f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7991",
    "kind": "arxiv",
    "version": 1
  }
}