Pith Number

pith:27EDV7FB

pith:2017:27EDV7FBQ27W25LFCFSB6XBZGQ

not attested not anchored not stored refs pending

Spherical collapse model in agegraphic dark energy cosmologies

M. Malekjani, M. Rezaei

arxiv:1708.08915 v2 · 2017-08-28 · gr-qc · 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{27EDV7FBQ27W25LFCFSB6XBZGQ}

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	2026-05-18T00:33:13.448759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c83afca186bf6d756511641f5c39342e2d402d0f59f157dc9bd3d3718a9bda

Aliases

arxiv: 1708.08915 · arxiv_version: 1708.08915v2 · doi: 10.48550/arxiv.1708.08915 · pith_short_12: 27EDV7FBQ27W · pith_short_16: 27EDV7FBQ27W25LF · pith_short_8: 27EDV7FB

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/27EDV7FBQ27W25LFCFSB6XBZGQ \
  | 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: d7c83afca186bf6d756511641f5c39342e2d402d0f59f157dc9bd3d3718a9bda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "448483ef017f9bc71a26e9408ae23ad0e7c62f0de26c32dffaed1e4066c70ca7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-28T21:40:58Z",
    "title_canon_sha256": "aad0f6b2e00ed6a685fe8948931b7a58d0a0bfaadeee10be330c453997d56c84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08915",
    "kind": "arxiv",
    "version": 2
  }
}