Pith Number

pith:KJQEM2S2

pith:2004:KJQEM2S2JU5NIQ6TVCQES2RQ63

not attested not anchored not stored refs pending

Optical studies of companions to millisecond pulsars

B. A. Jacoby (Caltech), C. G. Bassa (Utrecht Univ.), M. H. van Kerkwijk (Univ. of Toronto), P. G. Jonker (CfA)

arxiv:astro-ph/0405283 v2 · 2004-05-14 · 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{KJQEM2S2JU5NIQ6TVCQES2RQ63}

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

A Search for Radio Millisecond Pulsar Companions around Extremely Low-mass White Dwarfs with Ellipsoidal Variability

Receipt and verification

First computed	2026-07-04T14:13:28.774082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5260466a5a4d3ad443d3a8a0496a30f6cf2e9c0c832305f88658c5f0309a6b06

Aliases

arxiv: astro-ph/0405283 · arxiv_version: astro-ph/0405283v2 · doi: 10.48550/arxiv.astro-ph/0405283 · pith_short_12: KJQEM2S2JU5N · pith_short_16: KJQEM2S2JU5NIQ6T · pith_short_8: KJQEM2S2

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/KJQEM2S2JU5NIQ6TVCQES2RQ63 \
  | 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: 5260466a5a4d3ad443d3a8a0496a30f6cf2e9c0c832305f88658c5f0309a6b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4899af110fd9d5997e3b5873e9bf22e91ebb94e1112a1f9530c745a5491c2c8b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-14T15:59:25Z",
    "title_canon_sha256": "0110bade2d99c244f83aabc2bae79acfc469098cc4d53c1108d2b046fac1ecd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405283",
    "kind": "arxiv",
    "version": 2
  }
}