Pith Number

pith:FD76KKW5

pith:2015:FD76KKW5DR4I7PXJQNV44ZGCWM

not attested not anchored not stored refs pending

Decaying dark matter and the tension in $\sigma_8$

Kari Enqvist, Seshadri Nadathur, Tomo Takahashi, Toyokazu Sekiguchi

arxiv:1505.05511 v2 · 2015-05-20 · astro-ph.CO · gr-qc · 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{FD76KKW5DR4I7PXJQNV44ZGCWM}

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	2026-05-18T01:31:13.666976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ffe52add1c788fbee9836bce64c2b311867dc2b665a512b94b1a9aa7f35031

Aliases

arxiv: 1505.05511 · arxiv_version: 1505.05511v2 · doi: 10.48550/arxiv.1505.05511 · pith_short_12: FD76KKW5DR4I · pith_short_16: FD76KKW5DR4I7PXJ · pith_short_8: FD76KKW5

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/FD76KKW5DR4I7PXJQNV44ZGCWM \
  | 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: 28ffe52add1c788fbee9836bce64c2b311867dc2b665a512b94b1a9aa7f35031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad518a92c92b7c29cc233c4f86d9e6fe48076e3a630ee4b2b80caf9b7716527",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-20T20:00:36Z",
    "title_canon_sha256": "d4ab9c1e45b4dbc90b1ab16ddf81a6c8838bb47f751e4d7700c8e9174f616abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05511",
    "kind": "arxiv",
    "version": 2
  }
}