Pith Number

pith:SQ5FY77R

pith:2015:SQ5FY77RWJZFYIBDZLDE3PUQEC

not attested not anchored not stored refs pending

Warm dark matter signatures on the 21cm power spectrum: Intensity mapping forecasts for SKA

Andrea Lapi, Francisco Villaescusa-Navarro, Isabella P. Carucci, Matteo Viel

arxiv:1502.06961 v2 · 2015-02-24 · 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{SQ5FY77RWJZFYIBDZLDE3PUQEC}

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	2026-05-18T01:36:06.990609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943a5c7ff1b2725c2023cac64dbe9020bbb6f0e670af35d3dbd6b3507e5ebd40

Aliases

arxiv: 1502.06961 · arxiv_version: 1502.06961v2 · doi: 10.48550/arxiv.1502.06961 · pith_short_12: SQ5FY77RWJZF · pith_short_16: SQ5FY77RWJZFYIBD · pith_short_8: SQ5FY77R

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/SQ5FY77RWJZFYIBDZLDE3PUQEC \
  | 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: 943a5c7ff1b2725c2023cac64dbe9020bbb6f0e670af35d3dbd6b3507e5ebd40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36cfc18c7c31efefbce411ea1ff73d24e8c381a36c16057fbb2f93659ce3b1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-24T21:00:04Z",
    "title_canon_sha256": "7ae970635ab1fdfdd311ec8bd0d3dabbd9b567f62ce5b0561716acc1ea4b47e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06961",
    "kind": "arxiv",
    "version": 2
  }
}