Pith Number

pith:KFUIP3Z6

pith:2015:KFUIP3Z6JSEKI4DKWLH3ZSMTBS

not attested not anchored not stored refs pending

Is cosmography a useful tool for testing cosmology?

Alvaro de la Cruz-Dombriz, Diego Saez-Gomez, Peter K. S. Dunsby, Vinicius C. Busti

arxiv:1505.05503 v2 · 2015-05-20 · 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{KFUIP3Z6JSEKI4DKWLH3ZSMTBS}

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	2026-05-18T01:23:03.995908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516887ef3e4c88a4706ab2cfbcc9930c8782591776956d99101ddc5ac7ed4c1c

Aliases

arxiv: 1505.05503 · arxiv_version: 1505.05503v2 · doi: 10.48550/arxiv.1505.05503 · pith_short_12: KFUIP3Z6JSEK · pith_short_16: KFUIP3Z6JSEKI4DK · pith_short_8: KFUIP3Z6

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/KFUIP3Z6JSEKI4DKWLH3ZSMTBS \
  | 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: 516887ef3e4c88a4706ab2cfbcc9930c8782591776956d99101ddc5ac7ed4c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d61f153b98559e10435df8a6dfdb8e98a0779c931a38918e77e8548cfc18e33f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-20T20:00:19Z",
    "title_canon_sha256": "80b5ef7026696f71131bc2148f5ac4fa1e2bc179666b20e0cc2d373fdba6dbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05503",
    "kind": "arxiv",
    "version": 2
  }
}