Pith Number

pith:L4XUPYBL

pith:2011:L4XUPYBLB3BZVD3CNYQORMKSSS

not attested not anchored not stored refs pending

Precise cosmological parameter estimation using CosmoRec

J. Chluba, J. R. Shaw

arxiv:1102.3683 v1 · 2011-02-17 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4XUPYBLB3BZVD3CNYQORMKSSS}

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	2026-05-18T02:03:09.724979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2f47e02b0ec39a8f626e20e8b15294a1a1fdda36e9545f0d9033c14e35146f

Aliases

arxiv: 1102.3683 · arxiv_version: 1102.3683v1 · doi: 10.48550/arxiv.1102.3683 · pith_short_12: L4XUPYBLB3BZ · pith_short_16: L4XUPYBLB3BZVD3C · pith_short_8: L4XUPYBL

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/L4XUPYBLB3BZVD3CNYQORMKSSS \
  | 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: 5f2f47e02b0ec39a8f626e20e8b15294a1a1fdda36e9545f0d9033c14e35146f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd772a8d3a31bfb545b00d33e633a98b110cf30066c2d35acbd98bd0cd4989b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-17T20:38:57Z",
    "title_canon_sha256": "e0579f39fbbc58732ec3996d6179a9d06c36379277dc11bab7a3bf6d6bb07b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3683",
    "kind": "arxiv",
    "version": 1
  }
}