Pith Number

pith:3PPFP2R5

pith:2025:3PPFP2R5M4BQO2AI652YPCG22Y

not attested not anchored not stored refs pending

Gravitational Microlensing of the Galactic Centre $\gamma$-Ray Excess: A New Test for Point-Like or Extended Emission?

Florian List, Geraint Lewis, Nada Salama

arxiv:2508.19577 v1 · 2025-08-27 · astro-ph.HE · astro-ph.CO · 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{3PPFP2R5M4BQO2AI652YPCG22Y}

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	2026-07-05T12:00:14.408252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbde57ea3d6703076808f7758788dad62cd75d69c8023c3f431f7ac4ff355406

Aliases

arxiv: 2508.19577 · arxiv_version: 2508.19577v1 · doi: 10.48550/arxiv.2508.19577 · pith_short_12: 3PPFP2R5M4BQ · pith_short_16: 3PPFP2R5M4BQO2AI · pith_short_8: 3PPFP2R5

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/3PPFP2R5M4BQO2AI652YPCG22Y \
  | 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: dbde57ea3d6703076808f7758788dad62cd75d69c8023c3f431f7ac4ff355406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3443a77fbdc1b314e4e4d5ddfaeeb087a1c373ef3575c122b04f89e7b0346d1c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-08-27T05:22:11Z",
    "title_canon_sha256": "23cfb3c7388967aed476e9c6b19ab9e7577c228190525aa6db95808ef074132a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19577",
    "kind": "arxiv",
    "version": 1
  }
}