Pith Number

pith:DHPQT72R

pith:2002:DHPQT72RHXLF2B2GWGKTZFPS44

not attested not anchored not stored refs pending

Why is it Difficult to Detect a Millisecond Pulsar in Neutron Star X-ray Binaries?

Kent Wood (NRL), Lev Titarchuk (GMU/NRL), Wei Cui (Purdue University)

arxiv:astro-ph/0207552 v1 · 2002-07-25 · 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{DHPQT72RHXLF2B2GWGKTZFPS44}

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	2026-05-18T01:07:44.609115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19df09ff513dd65d0746b1953c95f2e70873ce222afc168a71e86d1befd3967a

Aliases

arxiv: astro-ph/0207552 · arxiv_version: astro-ph/0207552v1 · doi: 10.48550/arxiv.astro-ph/0207552 · pith_short_12: DHPQT72RHXLF · pith_short_16: DHPQT72RHXLF2B2G · pith_short_8: DHPQT72R

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/DHPQT72RHXLF2B2GWGKTZFPS44 \
  | 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: 19df09ff513dd65d0746b1953c95f2e70873ce222afc168a71e86d1befd3967a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a08bd69d5918b9495f9cfe608185c07f37e289227b22ec2b23f8d30b91e9c039",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-25T14:17:12Z",
    "title_canon_sha256": "9ac03a0a5db649eb859f3dc9c8794a4ea1dbf884739027256b43fbda38c8346c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207552",
    "kind": "arxiv",
    "version": 1
  }
}