Pith Number

pith:VNLFMJ7E

pith:2017:VNLFMJ7EBF6CWKSHUPQKLWU6AW

not attested not anchored not stored refs pending

A Search for Dark Matter Annihilation in Galaxy Groups

Benjamin R. Safdi, Mariangela Lisanti, Nicholas L. Rodd, Siddharth Mishra-Sharma

arxiv:1708.09385 v2 · 2017-08-30 · astro-ph.CO · astro-ph.HE · 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{VNLFMJ7EBF6CWKSHUPQKLWU6AW}

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	2026-05-18T00:16:50.606091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab565627e4097c2b2a47a3e0a5da9e05890ecf36850168d1e2904235d9354087

Aliases

arxiv: 1708.09385 · arxiv_version: 1708.09385v2 · doi: 10.48550/arxiv.1708.09385 · pith_short_12: VNLFMJ7EBF6C · pith_short_16: VNLFMJ7EBF6CWKSH · pith_short_8: VNLFMJ7E

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/VNLFMJ7EBF6CWKSHUPQKLWU6AW \
  | 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: ab565627e4097c2b2a47a3e0a5da9e05890ecf36850168d1e2904235d9354087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb7e80556a921e0bba12b4ed7985186a5874aa59041b590b49d890f8d84ef74",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-08-30T18:00:00Z",
    "title_canon_sha256": "52c811ce5b7e1587ed4e213f885d1a8b6adf174c1ba8bfb8bfa100ce19ca98b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09385",
    "kind": "arxiv",
    "version": 2
  }
}