Pith Number

pith:IIJNFGGC

pith:2009:IIJNFGGCAXQKOXDJJ54URZFDIP

not attested not anchored not stored refs pending

Reducing the Spectral Index in Supernatural Inflation

Chia-Min Lin, kingman Cheung

arxiv:0901.3280 v2 · 2009-01-21 · hep-ph · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIJNFGGCAXQKOXDJJ54URZFDIP}

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	2026-05-18T03:24:08.201495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4212d298c205e0a75c694f7948e4a343c03fed20c90f42db983817f57bcbb340

Aliases

arxiv: 0901.3280 · arxiv_version: 0901.3280v2 · doi: 10.48550/arxiv.0901.3280 · pith_short_12: IIJNFGGCAXQK · pith_short_16: IIJNFGGCAXQKOXDJ · pith_short_8: IIJNFGGC

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/IIJNFGGCAXQKOXDJJ54URZFDIP \
  | 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: 4212d298c205e0a75c694f7948e4a343c03fed20c90f42db983817f57bcbb340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598c515da4f20e5f8e5cb9c6e9110ad58378d1b985e0c9989eba769649cb0180",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-01-21T14:32:13Z",
    "title_canon_sha256": "ca7e0f27558f86344974f498266faf12eebce9597af8565aaca875314ed5a150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3280",
    "kind": "arxiv",
    "version": 2
  }
}