Pith Number

pith:N7Q4FAZL

pith:2014:N7Q4FAZLHDDIOXWIRTMCPBV4IX

not attested not anchored not stored refs pending

Decaying dark matter: the case for a deep X-ray observation of Draco

Adrian Jenkins (Durham University), Alexey Boyarsky (Leiden University), Gianfranco Bertone (UvA), Leiden University), Mark R. Lovell (UvA, Oleg Ruchayskiy (EPFL)

arxiv:1411.0311 v2 · 2014-11-02 · 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{N7Q4FAZLHDDIOXWIRTMCPBV4IX}

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	2026-05-18T01:26:25.550418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe1c2832b38c6875ec88cd82786bc45ce08991a6e8a298f37384df3792e60c5

Aliases

arxiv: 1411.0311 · arxiv_version: 1411.0311v2 · doi: 10.48550/arxiv.1411.0311 · pith_short_12: N7Q4FAZLHDDI · pith_short_16: N7Q4FAZLHDDIOXWI · pith_short_8: N7Q4FAZL

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/N7Q4FAZLHDDIOXWIRTMCPBV4IX \
  | 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: 6fe1c2832b38c6875ec88cd82786bc45ce08991a6e8a298f37384df3792e60c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74877e4a6b10bfe442998927dc8d5bce0ef1b0ce6b6010f876d7c56054fd82f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-11-02T20:41:48Z",
    "title_canon_sha256": "231ae3a2b50a0b44ec05e6e590b995b45d9aff8efb8e637380aaee3653fc6f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0311",
    "kind": "arxiv",
    "version": 2
  }
}