Pith Number

pith:YPFEKRYG

pith:2003:YPFEKRYGUEKYVB3QG2DVF23JWZ

not attested not anchored not stored refs pending

Young isolated neutron stars from the Gould Belt

(2) Universita di Milano-Bicocca, (3) Universita dell'Insubria, 4), (4) Universita di Padova), A. Treves (3), M. Colpi (2), M.E. Prokhorov (1), R. Turolla (4) ((1) Sternberg Astronomical Institute, S.B. Popov (1

arxiv:astro-ph/0304141 v1 · 2003-04-08 · 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{YPFEKRYGUEKYVB3QG2DVF23JWZ}

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	2026-05-18T01:07:33.672930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ca454706a1158a8770368752eb69b64a50806ddccd1df19c3ae81e24b410a0

Aliases

arxiv: astro-ph/0304141 · arxiv_version: astro-ph/0304141v1 · doi: 10.48550/arxiv.astro-ph/0304141 · pith_short_12: YPFEKRYGUEKY · pith_short_16: YPFEKRYGUEKYVB3Q · pith_short_8: YPFEKRYG

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/YPFEKRYGUEKYVB3QG2DVF23JWZ \
  | 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: c3ca454706a1158a8770368752eb69b64a50806ddccd1df19c3ae81e24b410a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa7f0bb5d8e37bcee747a49539be647ba61d82c455bcd62abab1ee9a4a4f010",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-08T12:33:42Z",
    "title_canon_sha256": "387e7833a66e1d17ef536673f3d3f562a35d73ad35ac757d9f91669fc4b8287f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304141",
    "kind": "arxiv",
    "version": 1
  }
}