Pith Number

pith:6KXJZHO5

pith:2013:6KXJZHO5ZJA2RFGKI7ZALDIZYH

not attested not anchored not stored refs pending

Formation of black widows and redbacks -- two distinct populations of eclipsing binary millisecond pulsars

Hai-Liang Chen, Thomas M. Tauris, Xuefei Chen, Zhanwen Han

arxiv:1308.4107 v2 · 2013-08-19 · astro-ph.SR · 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{6KXJZHO5ZJA2RFGKI7ZALDIZYH}

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	2026-05-18T03:13:21.158450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ae9c9dddca41a894ca47f2058d19c1cb7fb6c7fa0130fb1a87c988bda80250

Aliases

arxiv: 1308.4107 · arxiv_version: 1308.4107v2 · doi: 10.48550/arxiv.1308.4107 · pith_short_12: 6KXJZHO5ZJA2 · pith_short_16: 6KXJZHO5ZJA2RFGK · pith_short_8: 6KXJZHO5

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/6KXJZHO5ZJA2RFGKI7ZALDIZYH \
  | 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: f2ae9c9dddca41a894ca47f2058d19c1cb7fb6c7fa0130fb1a87c988bda80250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbacb4abea586d7832bf255486446b160529079c32f86375421ad1bb83870658",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-19T19:27:53Z",
    "title_canon_sha256": "7c56ae357ed5cd4b4b699f49b9d7a70a80076e03336fb253c2eb61744efe7765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4107",
    "kind": "arxiv",
    "version": 2
  }
}