Pith Number

pith:NFVVXB2R

pith:2013:NFVVXB2RJPQ5GLJ25S3QNF65IU

not attested not anchored not stored refs pending

On the origin of the radio emission of Sw 1644+57

Rodolfo Barniol Duran, Tsvi Piran

arxiv:1304.1542 v2 · 2013-04-04 · 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{NFVVXB2RJPQ5GLJ25S3QNF65IU}

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	2026-05-18T03:21:00.359252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

696b5b87514be1d32d3aecb70697dd453937848c2d060fce0d8608b5b349655b

Aliases

arxiv: 1304.1542 · arxiv_version: 1304.1542v2 · doi: 10.48550/arxiv.1304.1542 · pith_short_12: NFVVXB2RJPQ5 · pith_short_16: NFVVXB2RJPQ5GLJ2 · pith_short_8: NFVVXB2R

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/NFVVXB2RJPQ5GLJ25S3QNF65IU \
  | 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: 696b5b87514be1d32d3aecb70697dd453937848c2d060fce0d8608b5b349655b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a224ad9759dc8fde107de0fec7b66e57b701f29574ab5e881d70e503519145ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-04T20:00:02Z",
    "title_canon_sha256": "3bf0da99b9f474ddaa5b0b3dd2300e917ebb8b5035cc4feb5b4660dc6d5e46c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1542",
    "kind": "arxiv",
    "version": 2
  }
}