Pith Number

pith:XKCAG53B

pith:2012:XKCAG53BL6HRNW7P37JAM37YBB

not attested not anchored not stored refs pending

Observables and unobservables in dark energy cosmologies

Campinas State U.), Ignacy Sawicki (ITP, Ippocratis D. Saltas (Nottingham U.), Luca Amendola (ITP, Mariele Motta (ITP, Martin Kunz (Geneva U.), U. Heidelberg, U. Heidelberg)

arxiv:1210.0439 v2 · 2012-10-01 · astro-ph.CO · 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{XKCAG53BL6HRNW7P37JAM37YBB}

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.

Cited by

1 paper in Pith

Nonlinear Relativistic Effects on Cosmological Redshift Drift

Receipt and verification

First computed	2026-05-18T03:36:57.950600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba840377615f8f16dbefdfd2066ff80840583157534f977aef1d94f6dd453293

Aliases

arxiv: 1210.0439 · arxiv_version: 1210.0439v2 · doi: 10.48550/arxiv.1210.0439 · pith_short_12: XKCAG53BL6HR · pith_short_16: XKCAG53BL6HRNW7P · pith_short_8: XKCAG53B

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/XKCAG53BL6HRNW7P37JAM37YBB \
  | 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: ba840377615f8f16dbefdfd2066ff80840583157534f977aef1d94f6dd453293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20769d8ddcba26efa2a87987f4836f8810f25889e5dfbb13696ecf00f9a504ad",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-01T15:15:24Z",
    "title_canon_sha256": "a82da41a74b308fe6c8e15296af28ab0ccd51deedd59758b489c9d570185cc6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0439",
    "kind": "arxiv",
    "version": 2
  }
}