Pith Number

pith:NJWG47XE

pith:2012:NJWG47XEX44L4XB6LHO4KZE4NW

not attested not anchored not stored refs pending

Constraints on single entity driven inflationary and radition eras

Mariam Bouhmadi-Lopez, Pisin Chen, Yen-Wei Liu

arxiv:1203.2097 v1 · 2012-03-09 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJWG47XEX44L4XB6LHO4KZE4NW}

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	2026-05-18T01:58:10.687310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6c6e7ee4bf38be5c3e59ddc5649c6db2778f1138c223f79a2cac2ec3ff028e

Aliases

arxiv: 1203.2097 · arxiv_version: 1203.2097v1 · doi: 10.48550/arxiv.1203.2097 · pith_short_12: NJWG47XEX44L · pith_short_16: NJWG47XEX44L4XB6 · pith_short_8: NJWG47XE

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/NJWG47XEX44L4XB6LHO4KZE4NW \
  | 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: 6a6c6e7ee4bf38be5c3e59ddc5649c6db2778f1138c223f79a2cac2ec3ff028e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f5cdb31faca41a36b47e4960b7524f2c16e8bb81e18c87bd2a58bebe2e9692",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-09T14:33:05Z",
    "title_canon_sha256": "0e74849c885e7e938450882336baa18a0c78be828d8d8daa76748056eb425a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2097",
    "kind": "arxiv",
    "version": 1
  }
}