Pith Number

pith:NCEHE52D

pith:2001:NCEHE52DDRXQAXO7R7JL6CXVXI

not attested not anchored not stored refs pending

Inflationary scenarios with scale-invariant spectral tensorial index

Alberto A. Garc\'ia, C\'esar A. Terrero-Escalante, Eloy Ay\'on-Beato

arxiv:astro-ph/0101522 v3 · 2001-01-30 · 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{NCEHE52DDRXQAXO7R7JL6CXVXI}

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	2026-05-18T01:09:10.940613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68887277431c6f005ddf8fd2bf0af5ba0d1385ccffa3c2f08671f713c658878f

Aliases

arxiv: astro-ph/0101522 · arxiv_version: astro-ph/0101522v3 · doi: 10.48550/arxiv.astro-ph/0101522 · pith_short_12: NCEHE52DDRXQ · pith_short_16: NCEHE52DDRXQAXO7 · pith_short_8: NCEHE52D

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/NCEHE52DDRXQAXO7R7JL6CXVXI \
  | 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: 68887277431c6f005ddf8fd2bf0af5ba0d1385ccffa3c2f08671f713c658878f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f805378ba38b6a0a47041fbb562e9539a941738558f705d7a80992764c878d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-30T00:24:21Z",
    "title_canon_sha256": "56c10e2ebf9aebe4e1921ad9e27c8c125aa5d62bfa83c8e7432939785575131a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101522",
    "kind": "arxiv",
    "version": 3
  }
}