Pith Number

pith:B2WKJZ4K

pith:2003:B2WKJZ4KUVF3365RHN5SOQL2CG

not attested not anchored not stored refs pending

A Study of Accelerating Cosmologies from Superstring/M theories

Nobuyoshi Ohta

arxiv:hep-th/0304172 v3 · 2003-04-21 · 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{B2WKJZ4KUVF3365RHN5SOQL2CG}

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	2026-05-18T04:22:51.590565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eaca4e78aa54bbdfbb13b7b27417a11929a65aad8a14fe1418c8119f014f0e5

Aliases

arxiv: hep-th/0304172 · arxiv_version: hep-th/0304172v3 · doi: 10.48550/arxiv.hep-th/0304172 · pith_short_12: B2WKJZ4KUVF3 · pith_short_16: B2WKJZ4KUVF3365R · pith_short_8: B2WKJZ4K

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/B2WKJZ4KUVF3365RHN5SOQL2CG \
  | 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: 0eaca4e78aa54bbdfbb13b7b27417a11929a65aad8a14fe1418c8119f014f0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9e8c80e869930b1ae5c59eba06b8c173e9fb13bd3c412a741bbf5a8dde2248",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-04-21T06:37:08Z",
    "title_canon_sha256": "cada91d4b8df95a1fd76e2eb847306c356996d8a5a224d10e1ac5dc76a3bd997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0304172",
    "kind": "arxiv",
    "version": 3
  }
}