Pith Number

pith:QIPMFHNG

pith:2009:QIPMFHNG2S3OTCTMZBEAJ6JWQQ

not attested not anchored not stored refs pending

Are we seeing the beginnings of Inflation?

Cosmin Ilie, Katherine Freese, Tirthabir Biswas

arxiv:0908.0991 v1 · 2009-08-07 · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIPMFHNG2S3OTCTMZBEAJ6JWQQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:23:58.328765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821ec29da6d4b6e98a6cc84804f936843d6533418a25848dba0aea58371b013f

Aliases

arxiv: 0908.0991 · arxiv_version: 0908.0991v1 · doi: 10.48550/arxiv.0908.0991 · pith_short_12: QIPMFHNG2S3O · pith_short_16: QIPMFHNG2S3OTCTM · pith_short_8: QIPMFHNG

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/QIPMFHNG2S3OTCTMZBEAJ6JWQQ \
  | 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: 821ec29da6d4b6e98a6cc84804f936843d6533418a25848dba0aea58371b013f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7596c879d4a66668d20a9c4a20b462f316f152901f8acb07fff908fd71a04a51",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-07T19:32:46Z",
    "title_canon_sha256": "f3afc067d1f4d6ef0c6ac6a838b80cb7d68c20d61b337e0d6edf8fa4f0dbab2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0991",
    "kind": "arxiv",
    "version": 1
  }
}