Pith Number

pith:SFO532PW

pith:2003:SFO532PWVV3FYAMF54MCYKGURR

not attested not anchored not stored refs pending

An inflation model with large variations in spectral index

Bo Feng, Mingzhe Li, Ren-Jie Zhang, Xinmin Zhang

arxiv:astro-ph/0302479 v2 · 2003-02-24 · astro-ph · 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{SFO532PWVV3FYAMF54MCYKGURR}

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	2026-07-04T15:22:59.106975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915ddde9f6ad765c0185ef182c28d48c4655da0a61d131df66c1fe0f2e40d6c4

Aliases

arxiv: astro-ph/0302479 · arxiv_version: astro-ph/0302479v2 · doi: 10.48550/arxiv.astro-ph/0302479 · pith_short_12: SFO532PWVV3F · pith_short_16: SFO532PWVV3FYAMF · pith_short_8: SFO532PW

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/SFO532PWVV3FYAMF54MCYKGURR \
  | 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: 915ddde9f6ad765c0185ef182c28d48c4655da0a61d131df66c1fe0f2e40d6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e2172639e1e17d531dd5e1f17ce8285706a58ca2c869693be8d321c1fb1e987",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-24T12:04:08Z",
    "title_canon_sha256": "6eb3fd21b00558a4e2d5d082c4ae2f0812f921760331d20a443a8f99c5709955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302479",
    "kind": "arxiv",
    "version": 2
  }
}