Pith Number

pith:QGFMSNWG

pith:2020:QGFMSNWGGH4CPACLLUV2DBHAZX

not attested not anchored not stored refs pending

Anti-Deuterons and Anti-Helium Nuclei from Annihilating Dark Matter

Dan Hooper, Ilias Cholis, Tim Linden

arxiv:2001.08749 v2 · 2020-01-23 · astro-ph.HE · astro-ph.CO · 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{QGFMSNWGGH4CPACLLUV2DBHAZX}

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	2026-07-05T01:53:07.863991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818ac936c631f827804b5d2ba184e0cde442730e8edecd6f0f485ef4b9a9deab

Aliases

arxiv: 2001.08749 · arxiv_version: 2001.08749v2 · doi: 10.48550/arxiv.2001.08749 · pith_short_12: QGFMSNWGGH4C · pith_short_16: QGFMSNWGGH4CPACL · pith_short_8: QGFMSNWG

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/QGFMSNWGGH4CPACLLUV2DBHAZX \
  | 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: 818ac936c631f827804b5d2ba184e0cde442730e8edecd6f0f485ef4b9a9deab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca284d7c062ef1504a19573b8be20eb5256b2f1f6acb686aa4fe0048ffcd9653",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-01-23T19:00:00Z",
    "title_canon_sha256": "81141179e52e105ab2e61050cc065e8f51ed580201f533cc7a29a86bf952ce9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08749",
    "kind": "arxiv",
    "version": 2
  }
}