Pith Number

pith:4XAC27NV

pith:2003:4XAC27NVISI5P6HZ6PASJSZIVM

not attested not anchored not stored refs pending

Proper-Motion Measurements with the VLA. II. Observations of Twenty-eight Pulsars

(2) STScI, (3) Columbia Astrophysics Laboratory, (4) UCSC), A. S. Fruchter (2), R. S. Herrnstein (3), S. E. Thorsett (4)((1) NRAO, Socorro, W. F. Brisken (1), W. M. Goss (1)

arxiv:astro-ph/0309215 v1 · 2003-09-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XAC27NVISI5P6HZ6PASJSZIVM}

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	2026-07-04T16:37:26.858229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5c02d7db54491d7f8f9f3c124cb28ab12b9573b18a8500bca51e8464e33d312

Aliases

arxiv: astro-ph/0309215 · arxiv_version: astro-ph/0309215v1 · doi: 10.48550/arxiv.astro-ph/0309215 · pith_short_12: 4XAC27NVISI5 · pith_short_16: 4XAC27NVISI5P6HZ · pith_short_8: 4XAC27NV

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/4XAC27NVISI5P6HZ6PASJSZIVM \
  | 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: e5c02d7db54491d7f8f9f3c124cb28ab12b9573b18a8500bca51e8464e33d312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "445b1a545904a568e38d1227af15bcb0e5176340aa26615ff645ed188aefa7cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-07T23:40:24Z",
    "title_canon_sha256": "89906a302d123b7ddf206a0a9fd92d59705ba692f79d2c2981f21c9e01a2d765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309215",
    "kind": "arxiv",
    "version": 1
  }
}