Pith Number

pith:CXPQZYPN

pith:2014:CXPQZYPNNM7PONNPW2RVSKJEZX

not attested not anchored not stored refs pending

On the Existence of Pulsars in the Vicinity of the Massive Black Hole in the Galactic Center

Fupeng Zhang (NAOC, KIAA), Qingjuan Yu (KIAA), Youjun Lu (NAOC)

arxiv:1402.2505 v1 · 2014-02-11 · astro-ph.GA · 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{CXPQZYPNNM7PONNPW2RVSKJEZX}

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.

Cited by

1 paper in Pith

Probing freeze-in dark matter using Bose-Einstein condensate in neutron star

Receipt and verification

First computed	2026-05-18T01:44:45.361882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15df0ce1ed6b3ef735afb6a3592924cdcb8616f4602aacdcd56e2781b5350a2e

Aliases

arxiv: 1402.2505 · arxiv_version: 1402.2505v1 · doi: 10.48550/arxiv.1402.2505 · pith_short_12: CXPQZYPNNM7P · pith_short_16: CXPQZYPNNM7PONNP · pith_short_8: CXPQZYPN

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/CXPQZYPNNM7PONNPW2RVSKJEZX \
  | 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: 15df0ce1ed6b3ef735afb6a3592924cdcb8616f4602aacdcd56e2781b5350a2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf7b5681458e42496bdc1ff23485023f031cd904f9f701696851680f8a600d9",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-11T14:41:00Z",
    "title_canon_sha256": "e53cedfb16e807ece64da530dcd80843cf3131161f923f02993aac37f14cbe0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2505",
    "kind": "arxiv",
    "version": 1
  }
}