Pith Number

pith:E4QUNGEX

pith:2019:E4QUNGEXSQ5ZEYZZELB446WR4R

not attested not anchored not stored refs pending

Possible formation of wormholes from dark matter in an isothermal galactic halo and void

Farook Rahaman, G S Khadekar, Nayan Sarkar, P.K.F. Kuhfittig, Susmita Sarkar

arxiv:1905.02531 v1 · 2019-04-27 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4QUNGEXSQ5ZEYZZELB446WR4R}

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.

Cited by

1 paper in Pith

Late-Time Cosmology and Structure Formation in Quadratic $f(Q)$ Gravity

Receipt and verification

First computed	2026-07-05T00:00:59.389649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2721469897943b92633922c3ce7ad1e474c939dfb0eefa7dfd6cc6d7fb4d74f2

Aliases

arxiv: 1905.02531 · arxiv_version: 1905.02531v1 · doi: 10.48550/arxiv.1905.02531 · pith_short_12: E4QUNGEXSQ5Z · pith_short_16: E4QUNGEXSQ5ZEYZZ · pith_short_8: E4QUNGEX

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/E4QUNGEXSQ5ZEYZZELB446WR4R \
  | 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: 2721469897943b92633922c3ce7ad1e474c939dfb0eefa7dfd6cc6d7fb4d74f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1134c81fa69ba2cb868db11a33b454ada81ce072cbe599ae167243dd8cf7a9ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2019-04-27T05:49:32Z",
    "title_canon_sha256": "d9912d2d318baec41356a761c3dd9fa188086be3455a9f1d994c3497d8683c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02531",
    "kind": "arxiv",
    "version": 1
  }
}