Pith Number

pith:XHYOEQU7

pith:2013:XHYOEQU73HXCXOO2CJLFPPGNZG

not attested not anchored not stored refs pending

Probing Dark Energy through Scale Dependence

African Inst. Math. Sci., Cape Town), Ignacy Sawicki (U. Heidelberg, Ippocratis D. Saltas (Nottingham U.), ITP), Luca Amendola (U. Heidelberg, Mariele Motta (U. Campinas, Martin Kunz (U. Geneva, U. Heidelberg

arxiv:1305.0008 v2 · 2013-04-30 · astro-ph.CO · 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{XHYOEQU73HXCXOO2CJLFPPGNZG}

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	2026-05-18T03:04:37.874788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f0e2429fd9ee2bb9da125657bccdc9bb3096b33042ab502c4b2a7cd1af8db7

Aliases

arxiv: 1305.0008 · arxiv_version: 1305.0008v2 · doi: 10.48550/arxiv.1305.0008 · pith_short_12: XHYOEQU73HXC · pith_short_16: XHYOEQU73HXCXOO2 · pith_short_8: XHYOEQU7

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/XHYOEQU73HXCXOO2CJLFPPGNZG \
  | 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: b9f0e2429fd9ee2bb9da125657bccdc9bb3096b33042ab502c4b2a7cd1af8db7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3dba8e4e8990a4aa41116703dcbdbe50ddf1b89abce220e42e5b08bd8f23f97",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-30T20:00:03Z",
    "title_canon_sha256": "a404dd510e042e861975cfef028a991c9ee6256df9923ca4bf9dfe1285af2f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0008",
    "kind": "arxiv",
    "version": 2
  }
}