Pith Number

pith:URXRKSIP

pith:2012:URXRKSIPE444W2XI5UQPZEFSFG

not attested not anchored not stored refs pending

Cosmic Microwave Background constraints of decaying dark matter particle properties

M.-C. Chu, M. H. Chan, S. Yeung

arxiv:1206.4114 v1 · 2012-06-19 · 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{URXRKSIPE444W2XI5UQPZEFSFG}

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	2026-05-18T01:56:51.156549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a46f15490f2739cb6ae8ed20fc90b22994e8e029d7ba0a5b109ce2e36fb1a85f

Aliases

arxiv: 1206.4114 · arxiv_version: 1206.4114v1 · doi: 10.48550/arxiv.1206.4114 · pith_short_12: URXRKSIPE444 · pith_short_16: URXRKSIPE444W2XI · pith_short_8: URXRKSIP

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/URXRKSIPE444W2XI5UQPZEFSFG \
  | 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: a46f15490f2739cb6ae8ed20fc90b22994e8e029d7ba0a5b109ce2e36fb1a85f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7379f265fd7eff9f1648a71adca23a06c1cae95748a2dc6229642ce76fd8dd5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-19T02:53:32Z",
    "title_canon_sha256": "60d853ff9ce82c25c2a29c55630f47606e6568ee812accd1893fc56cb41d457a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4114",
    "kind": "arxiv",
    "version": 1
  }
}