Pith Number

pith:I4WDIQN4

pith:2015:I4WDIQN4TCK7QZGTR4KT756GVF

not attested not anchored not stored refs pending

An improved cosmological model fitting of Planck data with a dark energy spike

Chan-Gyung Park

arxiv:1503.01235 v1 · 2015-03-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4WDIQN4TCK7QZGTR4KT756GVF}

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	2026-05-18T02:25:39.604353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472c3441bc9895f864d38f153ff7c6a96e180ca51b53e3f7773af0d57cdd1271

Aliases

arxiv: 1503.01235 · arxiv_version: 1503.01235v1 · doi: 10.48550/arxiv.1503.01235 · pith_short_12: I4WDIQN4TCK7 · pith_short_16: I4WDIQN4TCK7QZGT · pith_short_8: I4WDIQN4

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/I4WDIQN4TCK7QZGTR4KT756GVF \
  | 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: 472c3441bc9895f864d38f153ff7c6a96e180ca51b53e3f7773af0d57cdd1271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51818ffd18ea7b2b14cfc41bfb7e254805f61a4da3316ced6be2bc915eb1e05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-04T06:29:29Z",
    "title_canon_sha256": "05a522768d6a456c5f3a5166d462e59877b4cb2498abf86faaf966afda2564bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01235",
    "kind": "arxiv",
    "version": 1
  }
}