Pith Number

pith:ET4ZODV3

pith:1999:ET4ZODV3SQJ44TB6GJTOIKUNOE

not attested not anchored not stored refs pending

Nonsingular Dilaton Cosmology in the String Frame

Damien A. Easson, Robert H. Brandenberger

arxiv:hep-th/9905175 v3 · 1999-05-24 · hep-th · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ET4ZODV3SQJ44TB6GJTOIKUNOE}

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	2026-07-04T16:14:51.207807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f9970ebb9413ce4c3e3266e42a8d7139a6ad48b203e484e3ffb59df7b284a6

Aliases

arxiv: hep-th/9905175 · arxiv_version: hep-th/9905175v3 · doi: 10.48550/arxiv.hep-th/9905175 · pith_short_12: ET4ZODV3SQJ4 · pith_short_16: ET4ZODV3SQJ44TB6 · pith_short_8: ET4ZODV3

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/ET4ZODV3SQJ44TB6GJTOIKUNOE \
  | 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: 24f9970ebb9413ce4c3e3266e42a8d7139a6ad48b203e484e3ffb59df7b284a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ebc66b66c201b68f59b7ddfd3a7bec4b8a96c7100d539791b4a6070dd59bb04",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-05-24T19:08:22Z",
    "title_canon_sha256": "ec92cf3f89421fad8fce19e4aa866c940c3520f287a9ea8550dcbec820c932e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9905175",
    "kind": "arxiv",
    "version": 3
  }
}