Pith Number

pith:CJ23G2AV

pith:2015:CJ23G2AVIEARBBNDD7M4ONVNJZ

not attested not anchored not stored refs pending

Constructing a cosmological model-independent Hubble diagram of type Ia supernovae with cosmic chronometers

Hongwei Yu, J. E. Gonzalez, J. S. Alcaniz, Zhengxiang Li, Zong-Hong Zhu

arxiv:1504.03269 v2 · 2015-04-13 · 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{CJ23G2AVIEARBBNDD7M4ONVNJZ}

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	2026-05-18T01:19:48.560301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1275b3681541011085a31fd9c736ad4e648603a65fc88dae4877e2d287947e83

Aliases

arxiv: 1504.03269 · arxiv_version: 1504.03269v2 · doi: 10.48550/arxiv.1504.03269 · pith_short_12: CJ23G2AVIEAR · pith_short_16: CJ23G2AVIEARBBND · pith_short_8: CJ23G2AV

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/CJ23G2AVIEARBBNDD7M4ONVNJZ \
  | 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: 1275b3681541011085a31fd9c736ad4e648603a65fc88dae4877e2d287947e83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f024b3f1871ac41e9a64c1322ad4b1233d3b777b3302a94b226efbf57980bf5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-04-13T17:33:15Z",
    "title_canon_sha256": "075ecb5d37aa8438004ab1ab7b493bbd6c0f7acef3c042c637110f72185bfb4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03269",
    "kind": "arxiv",
    "version": 2
  }
}