Pith Number

pith:2GU3WG6F

pith:2021:2GU3WG6FXXJ7MJRACEKMR7YHRP

not attested not anchored not stored refs pending

Analysing the radio flux density profile of the M31 galaxy: a possible dark matter interpretation

Chu Fai Yeung, Chun Sing Leung, Lang Cui, Man Ho Chan

arxiv:2101.00372 v1 · 2021-01-02 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GU3WG6FXXJ7MJRACEKMR7YHRP}

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.

Cited by

1 paper in Pith

Testing Viability of Benchmark Dark Matter Models for the Galactic Center Excess

Receipt and verification

First computed	2026-07-05T02:31:03.098959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a9bb1bc5bdd3f626201114c8ff078bc809542b4fe440af5792a8bc85408699

Aliases

arxiv: 2101.00372 · arxiv_version: 2101.00372v1 · doi: 10.48550/arxiv.2101.00372 · pith_short_12: 2GU3WG6FXXJ7 · pith_short_16: 2GU3WG6FXXJ7MJRA · pith_short_8: 2GU3WG6F

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/2GU3WG6FXXJ7MJRACEKMR7YHRP \
  | 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: d1a9bb1bc5bdd3f626201114c8ff078bc809542b4fe440af5792a8bc85408699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f506c2d1395c60aefb2ab6d4c7dd499dad833e5b74e51ee006b08f31a564160d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-01-02T05:20:28Z",
    "title_canon_sha256": "749ddfe7029ca31963662b57d5c55e4905dd048246c01f2eae98275234d7df64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00372",
    "kind": "arxiv",
    "version": 1
  }
}