Pith Number

pith:EFN2JMFW

pith:2003:EFN2JMFWMAEU5YOJ5OCALYF5ZP

not attested not anchored not stored refs pending

Why is the Universe Accelerating?

Sean M. Carroll

arxiv:astro-ph/0310342 v2 · 2003-10-13 · astro-ph · gr-qc · hep-ph · 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{EFN2JMFWMAEU5YOJ5OCALYF5ZP}

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	2026-07-04T15:45:42.365481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215ba4b0b660094ee1c9eb8405e0bdcbc3c4ce50d64627889fadaa7cee287fb1

Aliases

arxiv: astro-ph/0310342 · arxiv_version: astro-ph/0310342v2 · doi: 10.48550/arxiv.astro-ph/0310342 · pith_short_12: EFN2JMFWMAEU · pith_short_16: EFN2JMFWMAEU5YOJ · pith_short_8: EFN2JMFW

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/EFN2JMFWMAEU5YOJ5OCALYF5ZP \
  | 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: 215ba4b0b660094ee1c9eb8405e0bdcbc3c4ce50d64627889fadaa7cee287fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f5bc0d8db634dcc37599e91a9b2045a241f2be13c7ab4b89d2939902bf6bd4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-13T22:55:24Z",
    "title_canon_sha256": "8e86a07e97101897c44b677df3a1fff69ef2d408007372c7479b9c8a3ba62e0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310342",
    "kind": "arxiv",
    "version": 2
  }
}