Pith Number

pith:HSW4JBVJ

pith:2018:HSW4JBVJ3Z5D7W2TOP5IGYHRQD

not attested not anchored not stored refs pending

A Multi-Wavelength Analysis of Annihilating Dark Matter as the Origin of the Gamma-Ray Emission from M31

Alex McDaniel, Stefano Profumo, Tesla Jeltema

arxiv:1802.05258 v2 · 2018-02-14 · 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{HSW4JBVJ3Z5D7W2TOP5IGYHRQD}

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	2026-05-18T00:14:08.544479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cadc486a9de7a3fdb5373fa8360f180d3eab2648690f781743005e409dab4e5

Aliases

arxiv: 1802.05258 · arxiv_version: 1802.05258v2 · doi: 10.48550/arxiv.1802.05258 · pith_short_12: HSW4JBVJ3Z5D · pith_short_16: HSW4JBVJ3Z5D7W2T · pith_short_8: HSW4JBVJ

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/HSW4JBVJ3Z5D7W2TOP5IGYHRQD \
  | 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: 3cadc486a9de7a3fdb5373fa8360f180d3eab2648690f781743005e409dab4e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a05f73ef800d4df06323ceb21002736919520b7beb53912127d132e28af7d75",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-14T18:40:29Z",
    "title_canon_sha256": "eb829bbe098fe4bfa2239533900dfd09cde3f0091c6f474570601379b7913f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05258",
    "kind": "arxiv",
    "version": 2
  }
}