Pith Number

pith:IPMS5DAR

pith:2025:IPMS5DARD5LIDMVCW2U42YBNCZ

not attested not anchored not stored refs pending

Nature or Nurture: LMC-like Dust in the Solar Metallicity Galaxy M31

Claire E. Murray, Geoffrey C. Clayton, Karl D. Gordon, Luciana Bianchi, Marjorie Decleir, Michael J. Wolff, Petia Yanchulova Merica-Jones, Philip Massey, Ralph Bohlin

arxiv:2507.08612 v1 · 2025-07-11 · 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{IPMS5DARD5LIDMVCW2U42YBNCZ}

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	2026-07-05T11:35:43.285438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d92e8c111f5681b2a2b6a9cd602d16717704731965eb9fd4730639172dde43

Aliases

arxiv: 2507.08612 · arxiv_version: 2507.08612v1 · doi: 10.48550/arxiv.2507.08612 · pith_short_12: IPMS5DARD5LI · pith_short_16: IPMS5DARD5LIDMVC · pith_short_8: IPMS5DAR

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/IPMS5DARD5LIDMVCW2U42YBNCZ \
  | 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: 43d92e8c111f5681b2a2b6a9cd602d16717704731965eb9fd4730639172dde43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2e8825b2cd9aab1215a6cb5e2d606f87768c45fab9383f07937419fa5355d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-11T14:09:56Z",
    "title_canon_sha256": "561bfe540861393912bbbe93aaf91d3a1769bf847b23b549eaabbe10d890983e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08612",
    "kind": "arxiv",
    "version": 1
  }
}