Pith Number

pith:4F3ZUFUL

pith:2010:4F3ZUFULM5RCEBVS7KNNQWM4K2

not attested not anchored not stored refs pending

High-frequency radio properties of sources in the Fermi-LAT 1-year Point Source Catalogue

Elaine M. Sadler, Elizabeth K. Mahony, Marcella Massardi, Philip G. Edwards, Ronald D. Ekers, Tara Murphy

arxiv:1003.4580 v2 · 2010-03-24 · 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{4F3ZUFULM5RCEBVS7KNNQWM4K2}

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	2026-05-18T02:08:23.745758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1779a168b67622206b2fa9ad8599c56ae012321aa19f3e89778badf855d19f4

Aliases

arxiv: 1003.4580 · arxiv_version: 1003.4580v2 · doi: 10.48550/arxiv.1003.4580 · pith_short_12: 4F3ZUFULM5RC · pith_short_16: 4F3ZUFULM5RCEBVS · pith_short_8: 4F3ZUFUL

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/4F3ZUFULM5RCEBVS7KNNQWM4K2 \
  | 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: e1779a168b67622206b2fa9ad8599c56ae012321aa19f3e89778badf855d19f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50acf5d1e6047c0e1544d4e818bc0c0ff2f17754988a8fd6f02a8fb078dd263c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-03-24T06:11:53Z",
    "title_canon_sha256": "dbd28ac86209dacd591bce39acd597b5ad786a7ba692cbb65c4afe84cababaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4580",
    "kind": "arxiv",
    "version": 2
  }
}