Pith Number

pith:LEWMIV2F

pith:2011:LEWMIV2FQ3LO7TPRVVNPZQMWKF

not attested not anchored not stored refs pending

The 5 hr pulse period and broadband spectrum of the Symbiotic X-ray Binary 3A 1954+319

Craig B. Markwardt, Diana M. Marcu, Felix Fuerst, Joern Wilms, Katja Pottschmidt, Konstantin A. Postnov, Marion Cadolle Bel, Robin H. D. Corbet, Sebastian Mueller, Victoria Grinberg

arxiv:1111.1019 v1 · 2011-11-04 · 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{LEWMIV2FQ3LO7TPRVVNPZQMWKF}

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	2026-05-18T04:09:35.965006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

592cc4574586d6efcdf1ad5afcc1965143e0453844a9c172f1b058e533b8363d

Aliases

arxiv: 1111.1019 · arxiv_version: 1111.1019v1 · doi: 10.48550/arxiv.1111.1019 · pith_short_12: LEWMIV2FQ3LO · pith_short_16: LEWMIV2FQ3LO7TPR · pith_short_8: LEWMIV2F

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/LEWMIV2FQ3LO7TPRVVNPZQMWKF \
  | 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: 592cc4574586d6efcdf1ad5afcc1965143e0453844a9c172f1b058e533b8363d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f305f2929b92ad7d8a69e29a2f695a9c60fee2e213dfb7fad47a852ee2b92152",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-04T00:17:46Z",
    "title_canon_sha256": "3590dbf9ba6a41ef6c3bfc6e112a294fd381873d6e3ea422eb9f6eb9dc1352ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1019",
    "kind": "arxiv",
    "version": 1
  }
}