Pith Number

pith:DV5SPVHF

pith:2025:DV5SPVHFNWY2FEWJ7AEKANFIUM

not attested not anchored not stored refs pending

The Complex Multi-Wavelength Morphology of the Peculiar Compact Galaxy Group IC 2431

Beverly J. Smith, Curtis Struck, Douglas Swartz, Mark L. Giroux, Roberto Soria, Ryan Urquhart

arxiv:2507.10439 v1 · 2025-07-14 · 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{DV5SPVHFNWY2FEWJ7AEKANFIUM}

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	2026-07-05T11:36:51.296472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d7b27d4e56db1a292c9f808a034a8a31869b4cd7d6c16fc4142bfbb93c09e8d

Aliases

arxiv: 2507.10439 · arxiv_version: 2507.10439v1 · doi: 10.48550/arxiv.2507.10439 · pith_short_12: DV5SPVHFNWY2 · pith_short_16: DV5SPVHFNWY2FEWJ · pith_short_8: DV5SPVHF

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/DV5SPVHFNWY2FEWJ7AEKANFIUM \
  | 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: 1d7b27d4e56db1a292c9f808a034a8a31869b4cd7d6c16fc4142bfbb93c09e8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7ccfc3c713a49c268762a2d37b2d7a9c82d8b21c1692c68f4906d733933e85",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-14T16:25:19Z",
    "title_canon_sha256": "9103e1a78fdfb1ff94e25e4f5e6dc1923b61a4715f16063d7de2ba3b6220fa1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10439",
    "kind": "arxiv",
    "version": 1
  }
}