Pith Number

pith:RAYMIQW6

pith:1998:RAYMIQW64YGQQ3ETW6DAW6IHD7

not attested not anchored not stored refs pending

High-Energy Observations of the Binary Millisecond Pulsar PSR J0218+4232

A. Lyne, F. Verbunt, L. Kuiper, T. Belloni, W. Hermsen

arxiv:astro-ph/9812408 v1 · 1998-12-22 · 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{RAYMIQW64YGQQ3ETW6DAW6IHD7}

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	2026-07-04T14:16:27.500518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8830c442dee60d086c93b7860b79071fd337ea7401f2aebf91875a009c0e80bf

Aliases

arxiv: astro-ph/9812408 · arxiv_version: astro-ph/9812408v1 · doi: 10.48550/arxiv.astro-ph/9812408 · pith_short_12: RAYMIQW64YGQ · pith_short_16: RAYMIQW64YGQQ3ET · pith_short_8: RAYMIQW6

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/RAYMIQW64YGQQ3ETW6DAW6IHD7 \
  | 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: 8830c442dee60d086c93b7860b79071fd337ea7401f2aebf91875a009c0e80bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89cfb6b9078a409a82bf53291a92e9a3ab87c2f1653aa9ffca027aaca86be91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-22T13:29:17Z",
    "title_canon_sha256": "0e10bf6f1597b73ece47263fad14a11205589e81e2d59c76abac41ef20fc9183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812408",
    "kind": "arxiv",
    "version": 1
  }
}