Pith Number

pith:OVI7TEJY

pith:2003:OVI7TEJYJQJWBW4AE45HHYAACJ

not attested not anchored not stored refs pending

The Entropy of the Microwave Background and the Acceleration of the Universe

A. Loewy, S. Paban, W. Fischler

arxiv:hep-th/0307031 v2 · 2003-07-02 · hep-th · astro-ph · gr-qc · hep-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{OVI7TEJYJQJWBW4AE45HHYAACJ}

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	2026-07-04T17:21:08.580377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7551f991384c1360db80273a73e00012546e1955da0b52977c571793bba121cd

Aliases

arxiv: hep-th/0307031 · arxiv_version: hep-th/0307031v2 · doi: 10.48550/arxiv.hep-th/0307031 · pith_short_12: OVI7TEJYJQJW · pith_short_16: OVI7TEJYJQJWBW4A · pith_short_8: OVI7TEJY

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/OVI7TEJYJQJWBW4AE45HHYAACJ \
  | 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: 7551f991384c1360db80273a73e00012546e1955da0b52977c571793bba121cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dea64d3f7ceb8120b87dc7052af1d8f36b551651166a51c624d4c0fe4e3505c",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-07-02T21:33:05Z",
    "title_canon_sha256": "816e91fa0be4b1638fcb0022fefc590c230059270f7d2762b53c8129206bfa86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0307031",
    "kind": "arxiv",
    "version": 2
  }
}