Pith Number

pith:22ZMF6CG

pith:2005:22ZMF6CGBO3JWC5YCQ6WOFQJH5

not attested not anchored not stored refs pending

Discovery of a 105 ms X-ray Pulsar in Kesteven 79: On the Nature of Compact Central Objects in Supernova Remnants

E. V. Gotthelf, F. D. Seward (SAO), J. P. Halpern (Columbia University)

arxiv:astro-ph/0503424 v1 · 2005-03-19 · 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{22ZMF6CGBO3JWC5YCQ6WOFQJH5}

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	2026-07-04T16:51:02.156741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b2c2f8460bb69b0bb8143d6716093f70368b488e805b4325d2ce14f59d212d

Aliases

arxiv: astro-ph/0503424 · arxiv_version: astro-ph/0503424v1 · doi: 10.48550/arxiv.astro-ph/0503424 · pith_short_12: 22ZMF6CGBO3J · pith_short_16: 22ZMF6CGBO3JWC5Y · pith_short_8: 22ZMF6CG

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/22ZMF6CGBO3JWC5YCQ6WOFQJH5 \
  | 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: d6b2c2f8460bb69b0bb8143d6716093f70368b488e805b4325d2ce14f59d212d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59354f5e5aa504dd5a308b44a4e95a9431a1a350373d25135443f3440cc229d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-19T01:23:25Z",
    "title_canon_sha256": "b341bde75d9687fb4f5223283119ba9a702558a2c547c4e7eba124b6b8967571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503424",
    "kind": "arxiv",
    "version": 1
  }
}