Pith Number

pith:HG4IZ5HY

pith:2012:HG4IZ5HY2DA7LG5J74AP4BJVKG

not attested not anchored not stored refs pending

Inflation with a graceful exit and entrance driven by Hawking radiation

Douglas Singleton, Sujoy Kumar Modak

arxiv:1207.0230 v2 · 2012-07-01 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG4IZ5HY2DA7LG5J74AP4BJVKG}

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	2026-05-18T01:56:35.945307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b88cf4f8d0c1f59ba9ff00fe053551b00e2dc97fd4c614fa143b8a95c870fb

Aliases

arxiv: 1207.0230 · arxiv_version: 1207.0230v2 · doi: 10.48550/arxiv.1207.0230 · pith_short_12: HG4IZ5HY2DA7 · pith_short_16: HG4IZ5HY2DA7LG5J · pith_short_8: HG4IZ5HY

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/HG4IZ5HY2DA7LG5J74AP4BJVKG \
  | 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: 39b88cf4f8d0c1f59ba9ff00fe053551b00e2dc97fd4c614fa143b8a95c870fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a01c4ec443431890b525d1d1da72d15872f39adf667195d2c6109cc77e14c9b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-07-01T17:26:55Z",
    "title_canon_sha256": "109b8bf9104893455bf63d1b313b751b9acdbef88aa835913edb93636a444d41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0230",
    "kind": "arxiv",
    "version": 2
  }
}