Pith Number

pith:GXXNFZTH

pith:2016:GXXNFZTHVYOR6JCZ2P7WITDHVY

not attested not anchored not stored refs pending

Information Gain in Cosmology: From the Discovery of Expansion to Future Surveys

Gongbo Zhao, Marco Raveri, Matteo Martinelli, Yuting Wang

arxiv:1606.06273 v1 · 2016-06-20 · astro-ph.CO · gr-qc · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXXNFZTHVYOR6JCZ2P7WITDHVY}

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	2026-05-18T01:12:15.238407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35eed2e667ae1d1f2459d3ff644c67ae0ff2e6f2ff01e40abbaa9284af7aaff1

Aliases

arxiv: 1606.06273 · arxiv_version: 1606.06273v1 · doi: 10.48550/arxiv.1606.06273 · pith_short_12: GXXNFZTHVYOR · pith_short_16: GXXNFZTHVYOR6JCZ · pith_short_8: GXXNFZTH

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/GXXNFZTHVYOR6JCZ2P7WITDHVY \
  | 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: 35eed2e667ae1d1f2459d3ff644c67ae0ff2e6f2ff01e40abbaa9284af7aaff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55349f6b1e5f15486e40565c695c55d6bde3f9b36a8e8a4c176856c2186d3c94",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-06-20T19:53:06Z",
    "title_canon_sha256": "d97fe9166ef8b0b76ddee9c234775a21dd069bf3ce7c6ed0378e6490514c9e0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06273",
    "kind": "arxiv",
    "version": 1
  }
}