Pith Number

pith:A42JNRDO

pith:1999:A42JNRDOE2BTBBASNEVYWHWEEX

not attested not anchored not stored refs pending

The Bright SHARC Survey: The X-ray Cluster Luminosity Function

A. J. Merrelli (Carnegie Mellon), A. K. Romer (Carnegie Mellon), B. P. Holden (Univ. of Chicago), C. A. Collins (Liverpool John Moores), C. Adami (Northwestern), D. J. Burke, M. P. Ulmer, R. A. Pildis, R. C. Nichol

arxiv:astro-ph/9906163 v2 · 1999-06-09 · 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{A42JNRDOE2BTBBASNEVYWHWEEX}

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	2026-07-04T16:11:18.214406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

073496c46e2683308412692b8b1ec425fb65813a3ea0b6886c832b4e1c848cd7

Aliases

arxiv: astro-ph/9906163 · arxiv_version: astro-ph/9906163v2 · doi: 10.48550/arxiv.astro-ph/9906163 · pith_short_12: A42JNRDOE2BT · pith_short_16: A42JNRDOE2BTBBAS · pith_short_8: A42JNRDO

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/A42JNRDOE2BTBBASNEVYWHWEEX \
  | 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: 073496c46e2683308412692b8b1ec425fb65813a3ea0b6886c832b4e1c848cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aafb58830fd4a0310633b71328592cdca69879907d14e3ee2d54257c6028706",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-09T16:00:08Z",
    "title_canon_sha256": "b2531f24c8b97d179cfd7085658656b18045edc1de290d9bc15594d2d7da9413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906163",
    "kind": "arxiv",
    "version": 2
  }
}