Pith Number

pith:5JAI5BTW

pith:2010:5JAI5BTWQ3U5C6IQKFZA7LDNNV

not attested not anchored not stored refs pending

The thermodynamic evolution of the cosmological event horizon

Scott Funkhouser

arxiv:1009.5126 v4 · 2010-09-26 · physics.gen-ph · 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{5JAI5BTWQ3U5C6IQKFZA7LDNNV}

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	2026-05-18T02:05:17.107477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea408e867686e9d1791051720fac6d6d596a514a1a29f63013262fb91bc0f1f6

Aliases

arxiv: 1009.5126 · arxiv_version: 1009.5126v4 · doi: 10.48550/arxiv.1009.5126 · pith_short_12: 5JAI5BTWQ3U5 · pith_short_16: 5JAI5BTWQ3U5C6IQ · pith_short_8: 5JAI5BTW

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/5JAI5BTWQ3U5C6IQKFZA7LDNNV \
  | 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: ea408e867686e9d1791051720fac6d6d596a514a1a29f63013262fb91bc0f1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "513aa8d4e6d260a13f9b0c98e16c867665de8f7c1aa04b4492d747d8c3bc62a0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-09-26T20:58:56Z",
    "title_canon_sha256": "aab40025f06cd9a6d7d71492a48d7b3f973637343f61be4237bf9251a8f602d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5126",
    "kind": "arxiv",
    "version": 4
  }
}