Pith Number

pith:H42ERLDO

pith:2018:H42ERLDOSPCI3Q2DE73XJJFHQ7

not attested not anchored not stored refs pending

Gravitational collapse and structure formation in an expanding universe with dark energy

J. S. Bagla, Manvendra Pratap Rajvanshi, Tuneer Chakraborty

arxiv:1803.04267 v2 · 2018-03-09 · physics.pop-ph · 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{H42ERLDOSPCI3Q2DE73XJJFHQ7}

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	2026-05-17T23:56:15.305871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3448ac6e93c48dc34327f774a4a787ef9746a14f79c7b87d330da297aebabc

Aliases

arxiv: 1803.04267 · arxiv_version: 1803.04267v2 · doi: 10.48550/arxiv.1803.04267 · pith_short_12: H42ERLDOSPCI · pith_short_16: H42ERLDOSPCI3Q2D · pith_short_8: H42ERLDO

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/H42ERLDOSPCI3Q2DE73XJJFHQ7 \
  | 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: 3f3448ac6e93c48dc34327f774a4a787ef9746a14f79c7b87d330da297aebabc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4fc0dd9466d2b5e32bd5e5946cbeb0091559bd78fd53b016d5737a6ea555ca5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-03-09T11:58:23Z",
    "title_canon_sha256": "a64f228c7d336edb50550060b579953cf442a9a51c46d12f338069a8c6d43680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04267",
    "kind": "arxiv",
    "version": 2
  }
}