Pith Number

pith:GCWB5KEA

pith:2019:GCWB5KEAEY5VV7ZOP3CHEDYUQ4

not attested not anchored not stored refs pending

Viscous dark matter and 21 cm cosmology

Alekha C. Nayak, Arvind Kumar Mishra, Jitesh R. Bhatt

arxiv:1901.08451 v1 · 2019-01-24 · astro-ph.CO · hep-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{GCWB5KEAEY5VV7ZOP3CHEDYUQ4}

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

Dark ages bounds on non-accreting massive compact halo objects

Receipt and verification

First computed	2026-07-05T00:08:54.860520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ac1ea880263b5aff2e7ec4720f14872bd9558cd693c07419717eea2c3e4cfb

Aliases

arxiv: 1901.08451 · arxiv_version: 1901.08451v1 · doi: 10.48550/arxiv.1901.08451 · pith_short_12: GCWB5KEAEY5V · pith_short_16: GCWB5KEAEY5VV7ZO · pith_short_8: GCWB5KEA

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/GCWB5KEAEY5VV7ZOP3CHEDYUQ4 \
  | 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: 30ac1ea880263b5aff2e7ec4720f14872bd9558cd693c07419717eea2c3e4cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8dd778ce119529d816289e4a57eea81a6a913d4f1ecb4b7c0551a5b065e6108",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-24T15:23:54Z",
    "title_canon_sha256": "fc41481ba47c2c870177af7e19ed4125a852ae2702aa18cf71a41ff935425f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08451",
    "kind": "arxiv",
    "version": 1
  }
}