Pith Number

pith:2ZAG64DU

pith:1999:2ZAG64DU2UGFT2M2CDCNPZFSWF

not attested not anchored not stored refs pending

Cosmic Microwave Background anisotropies and extra dimensions in String Cosmology

A. Melchiorri, F. Vernizzi, G. Veneziano, R. Durrer

arxiv:astro-ph/9905327 v3 · 1999-05-26 · astro-ph · 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{2ZAG64DU2UGFT2M2CDCNPZFSWF}

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	2026-07-04T16:11:15.258083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6406f7074d50c59e99a10c4d7e4b2b17c7eb12a8005c6858d5bac8cb98265a7

Aliases

arxiv: astro-ph/9905327 · arxiv_version: astro-ph/9905327v3 · doi: 10.48550/arxiv.astro-ph/9905327 · pith_short_12: 2ZAG64DU2UGF · pith_short_16: 2ZAG64DU2UGFT2M2 · pith_short_8: 2ZAG64DU

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/2ZAG64DU2UGFT2M2CDCNPZFSWF \
  | 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: d6406f7074d50c59e99a10c4d7e4b2b17c7eb12a8005c6858d5bac8cb98265a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd2d5c00d64cebba309c3b696a785b1275db3c8341c779169d4e47fc6bfea5b4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-26T13:58:04Z",
    "title_canon_sha256": "9919333f2c02986910e01456ab97e40602aa85a1489718a7da2910ae53a00511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905327",
    "kind": "arxiv",
    "version": 3
  }
}