Pith Number

pith:7L7A3SG2

pith:1999:7L7A3SG2QDNZHKQ7GOBE3E5ZCW

not attested not anchored not stored refs pending

Sunyaev-Zel'dovich Effect Derived Distances to the High Redshift Clusters MS 0451.6-0305 and CL 0016+16

E. D. Reese, G. P. Holder, J. E. Carlstrom, J. J. Mohr, J. P. Hughes, L. Grego, M. Donahue, M. Joy, S. K. Patel, W. L. Holzapfel

arxiv:astro-ph/9912071 v2 · 1999-12-03 · 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{7L7A3SG2QDNZHKQ7GOBE3E5ZCW}

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	2026-07-04T16:11:58.381256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafe0dc8da80db93aa1f33824d93b915897ea561855c8fe09b9b25ad3c2e9313

Aliases

arxiv: astro-ph/9912071 · arxiv_version: astro-ph/9912071v2 · doi: 10.48550/arxiv.astro-ph/9912071 · pith_short_12: 7L7A3SG2QDNZ · pith_short_16: 7L7A3SG2QDNZHKQ7 · pith_short_8: 7L7A3SG2

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/7L7A3SG2QDNZHKQ7GOBE3E5ZCW \
  | 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: fafe0dc8da80db93aa1f33824d93b915897ea561855c8fe09b9b25ad3c2e9313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3519de584ff54fac5ccffc2e5c1d818d5dc0983a5390d64f563535e0bbc1055a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-03T17:22:32Z",
    "title_canon_sha256": "b7bec05b1785a27f4fe9a714eda90566cb7da70f188d49d2f5f5840f0c5a6267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912071",
    "kind": "arxiv",
    "version": 2
  }
}