Pith Number

pith:YHTOGHLZ

pith:2017:YHTOGHLZHEJFTM7GSDPE6DCRY2

not attested not anchored not stored refs pending

A Multi-frequency analysis of possible Dark Matter Contributions to M31 Gamma-Ray Emissions

Geoff Beck, Sergio Colafrancesco

arxiv:1707.09787 v4 · 2017-07-31 · 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{YHTOGHLZHEJFTM7GSDPE6DCRY2}

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	2026-05-18T00:32:50.316491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e6e31d79391259b3e690de4f0c51c6aaf50a12753d316ab597062654b39909

Aliases

arxiv: 1707.09787 · arxiv_version: 1707.09787v4 · doi: 10.48550/arxiv.1707.09787 · pith_short_12: YHTOGHLZHEJF · pith_short_16: YHTOGHLZHEJFTM7G · pith_short_8: YHTOGHLZ

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/YHTOGHLZHEJFTM7GSDPE6DCRY2 \
  | 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: c1e6e31d79391259b3e690de4f0c51c6aaf50a12753d316ab597062654b39909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7a97b283603f06450af2d50c433e6b43eaacb479d76c146a2b6095c31a5fd79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-07-31T09:56:34Z",
    "title_canon_sha256": "0e3ac9a5211758ddba0f805a90e3a5c53694d47bd58af510eee771392b0471d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09787",
    "kind": "arxiv",
    "version": 4
  }
}