Pith Number

pith:7CKDGJUE

pith:2001:7CKDGJUEOMWJJIYPMWM3BJTVT2

not attested not anchored not stored refs pending

Measuring Angular Diameter Distances through Halo Clustering

Asantha Cooray, Dragan Huterer, Michael Joffre (Univ. of Chicago), Wayne Hu

arxiv:astro-ph/0105061 v2 · 2001-05-03 · 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{7CKDGJUEOMWJJIYPMWM3BJTVT2}

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	2026-07-04T16:23:20.403991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f894332684732c94a30f6599b0a6759eae912bd80b5434addf00b339fdfa1f71

Aliases

arxiv: astro-ph/0105061 · arxiv_version: astro-ph/0105061v2 · doi: 10.48550/arxiv.astro-ph/0105061 · pith_short_12: 7CKDGJUEOMWJ · pith_short_16: 7CKDGJUEOMWJJIYP · pith_short_8: 7CKDGJUE

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/7CKDGJUEOMWJJIYPMWM3BJTVT2 \
  | 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: f894332684732c94a30f6599b0a6759eae912bd80b5434addf00b339fdfa1f71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a9e0b9a26bd846975028e3d175683f03b2933ed26499358b0bcf3a770675ec5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-03T21:34:59Z",
    "title_canon_sha256": "a4891276bae4a8eddf3c818e8404b7020f846b5108d28964f97408de3f4061a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105061",
    "kind": "arxiv",
    "version": 2
  }
}