Pith Number

pith:Z2XVQI5H

pith:2015:Z2XVQI5HZ57EQ3X6SWCH3XX74R

not attested not anchored not stored refs pending

Population Synthesis of Millisecond X-ray Pulsars

Chunhua Zhu, Guoliang Lu, Zhaojun Wang

arxiv:1509.05027 v1 · 2015-09-16 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2XVQI5HZ57EQ3X6SWCH3XX74R}

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	2026-05-18T01:30:17.681613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceaf5823a7cf7e486efe95847ddeffe47b3bc892adc33e4fd0c9d2f284b58e3c

Aliases

arxiv: 1509.05027 · arxiv_version: 1509.05027v1 · doi: 10.48550/arxiv.1509.05027 · pith_short_12: Z2XVQI5HZ57E · pith_short_16: Z2XVQI5HZ57EQ3X6 · pith_short_8: Z2XVQI5H

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/Z2XVQI5HZ57EQ3X6SWCH3XX74R \
  | 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: ceaf5823a7cf7e486efe95847ddeffe47b3bc892adc33e4fd0c9d2f284b58e3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "092f5d2851328e7beb87feac747132ffdf1a2c9a1284a4d6f885d49b80796eb0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-16T02:44:03Z",
    "title_canon_sha256": "1f5c277720a29b40b064a34d0f1d9430e84d554092ae2b096c1607daf03fa530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05027",
    "kind": "arxiv",
    "version": 1
  }
}