Pith Number

pith:2WVA4WTP

pith:2018:2WVA4WTP2MEMM3FQRSP46ZNFQN

not attested not anchored not stored refs pending

Redshift Space Distortion of 21cm line at 1<z<5 with Cosmological Hydrodynamic Simulations

Atsushi J. Nishizawa, Ikko Shimizu, Kenji Hasegawa, Kentaro Nagamine, Rika Ando

arxiv:1808.01116 v2 · 2018-08-03 · 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{2WVA4WTP2MEMM3FQRSP46ZNFQN}

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	2026-05-17T23:52:41.372210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5aa0e5a6fd308c66cb08c9fcf65a58344f22b7ba88d67c1f2744bd605bc36bc

Aliases

arxiv: 1808.01116 · arxiv_version: 1808.01116v2 · doi: 10.48550/arxiv.1808.01116 · pith_short_12: 2WVA4WTP2MEM · pith_short_16: 2WVA4WTP2MEMM3FQ · pith_short_8: 2WVA4WTP

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/2WVA4WTP2MEMM3FQRSP46ZNFQN \
  | 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: d5aa0e5a6fd308c66cb08c9fcf65a58344f22b7ba88d67c1f2744bd605bc36bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "390d702ccb9a91a2b04a8eb8dbcf85304c7c47c8d6859f7dbd81e959bd2b9d90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-08-03T08:25:52Z",
    "title_canon_sha256": "418ad7ae5c9065f9fbc837245fb632e0e11157077076f2526ad966bb1694bf81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01116",
    "kind": "arxiv",
    "version": 2
  }
}