Pith Number

pith:7A345N3H

pith:2003:7A345N3HMGTV3VSA3EU4S4YRYQ

not attested not anchored not stored refs pending

AXPs and X-ray dim neutron stars: Recent XMM-Newton and Chandra results

F. Haberl (MPE, Garching)

arxiv:astro-ph/0302540 v1 · 2003-02-26 · 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{7A345N3HMGTV3VSA3EU4S4YRYQ}

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

Hybrid stars among mass gap objects are excluded by twin stars at $1.4\,M_\odot$

Receipt and verification

First computed	2026-07-04T16:36:33.049644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f837ceb76761a75dd640d929c97311c42228c323a5e41a387574b00bd9573bdc

Aliases

arxiv: astro-ph/0302540 · arxiv_version: astro-ph/0302540v1 · doi: 10.48550/arxiv.astro-ph/0302540 · pith_short_12: 7A345N3HMGTV · pith_short_16: 7A345N3HMGTV3VSA · pith_short_8: 7A345N3H

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/7A345N3HMGTV3VSA3EU4S4YRYQ \
  | 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: f837ceb76761a75dd640d929c97311c42228c323a5e41a387574b00bd9573bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3005afe871ef4c035f9bd49c11d1456834d306ca34f65a897c097cc340896131",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-26T10:07:13Z",
    "title_canon_sha256": "8b4ea625662ed061c014e1a09500755a996389b7db4a417cc6df5987b2930e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302540",
    "kind": "arxiv",
    "version": 1
  }
}