Pith Number

pith:WO63T3O2

pith:2015:WO63T3O2WRLEN4FFHR3TV44S7P

not attested not anchored not stored refs pending

A unified cosmic evolution: Inflation to late time acceleration

Subenoy Chakraborty, Subhajit Saha, Supriya Pan

arxiv:1503.05552 v2 · 2015-03-18 · 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{WO63T3O2WRLEN4FFHR3TV44S7P}

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	2026-05-18T02:17:23.854450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3bdb9eddab45646f0a53c773af392fbc44d126bb71ec16bc1dd59cdfed4adda

Aliases

arxiv: 1503.05552 · arxiv_version: 1503.05552v2 · doi: 10.48550/arxiv.1503.05552 · pith_short_12: WO63T3O2WRLE · pith_short_16: WO63T3O2WRLEN4FF · pith_short_8: WO63T3O2

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/WO63T3O2WRLEN4FFHR3TV44S7P \
  | 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: b3bdb9eddab45646f0a53c773af392fbc44d126bb71ec16bc1dd59cdfed4adda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c617521d38984689ecc28fd54070c0b50580005a324e6751bd3ca6ce1dbc30c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-18T18:54:20Z",
    "title_canon_sha256": "6b20d1fa87f951debe728f3abf03188909f754ecfcf447d792be10196657aaf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05552",
    "kind": "arxiv",
    "version": 2
  }
}