Pith Number

pith:FP5IL62R

pith:2015:FP5IL62RHP543FN57ZSV4OX26Z

not attested not anchored not stored refs pending

Constraining the Dark Matter decay lifetime with very deep observations of the Perseus cluster with the MAGIC telescopes

C. Maggio, F. Zandanel (on behalf of the MAGIC Collaboration), J. Palacio, J. Rico, M. Doro, M. Vazquez Acosta, P. Colin

arxiv:1509.03974 v1 · 2015-09-14 · astro-ph.HE · 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{FP5IL62RHP543FN57ZSV4OX26Z}

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	2026-07-04T23:55:30.836571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bfa85fb513bfbcd95bdfe655e3afaf67241a06cdcbbecb1143c31e9a556da15

Aliases

arxiv: 1509.03974 · arxiv_version: 1509.03974v1 · doi: 10.48550/arxiv.1509.03974 · pith_short_12: FP5IL62RHP54 · pith_short_16: FP5IL62RHP543FN5 · pith_short_8: FP5IL62R

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/FP5IL62RHP543FN57ZSV4OX26Z \
  | 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: 2bfa85fb513bfbcd95bdfe655e3afaf67241a06cdcbbecb1143c31e9a556da15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74d6526a7e5785a08ae0d0b73cbca3b6caef2f2195ebcf89b3bcf8cc3f23c7a2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-14T07:43:47Z",
    "title_canon_sha256": "8512f5ba556f4cd127b582fa74a04bde8f6cd989cb36e1794c2e6c8f3878406f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03974",
    "kind": "arxiv",
    "version": 1
  }
}