Pith Number

pith:NCGERLQI

pith:2008:NCGERLQIT2SU55GA4X4BYFLSRF

not attested not anchored not stored refs pending

Measuring dark energy spatial inhomogeneity with supernova data

Asantha Cooray, Daniel E. Holz, Robert Caldwell

arxiv:0812.0376 v1 · 2008-12-01 · 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{NCGERLQIT2SU55GA4X4BYFLSRF}

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	2026-05-18T04:35:46.351244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

688c48ae089ea54ef4c0e5f81c157289590d57696ac813173df64bd6c9fdb066

Aliases

arxiv: 0812.0376 · arxiv_version: 0812.0376v1 · doi: 10.48550/arxiv.0812.0376 · pith_short_12: NCGERLQIT2SU · pith_short_16: NCGERLQIT2SU55GA · pith_short_8: NCGERLQI

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/NCGERLQIT2SU55GA4X4BYFLSRF \
  | 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: 688c48ae089ea54ef4c0e5f81c157289590d57696ac813173df64bd6c9fdb066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18ceaf926f41ed75546268167f4cba86cc25c7341c8647ff097da3091e5fc1dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-01T21:27:03Z",
    "title_canon_sha256": "0ec87503e3150bbf6971a69cf9e044dfbb4b7d26b17ddeda316aff687f894042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0376",
    "kind": "arxiv",
    "version": 1
  }
}