Pith Number

pith:YDX3PJ2J

pith:2025:YDX3PJ2JDQKLRHMYY35FF6EQYV

not attested not anchored not stored refs pending

The Spectral Energy Distributions of Galaxies

Camilla Pacifici, Christopher C. Lovell, Gabriela Calistro-Rivera, Kartheik G. Iyer

arxiv:2502.17680 v1 · 2025-02-24 · 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{YDX3PJ2JDQKLRHMYY35FF6EQYV}

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

3 papers in Pith

Quenching of Star Formation in Massive Galaxies

Resolved Ages and Stellar Metallicities in Progenitors of Milky Way Analogs: A Closer Look at their Star Formation Histories since $z=5$

Morphological and Star Formation Properties of Cosmic Noon Massive Quiescent Galaxies

Receipt and verification

First computed	2026-07-05T10:19:42.330346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0efb7a7491c14b89d98c6fa52f890c5780dddacdb52f0772e0097205bffd273

Aliases

arxiv: 2502.17680 · arxiv_version: 2502.17680v1 · doi: 10.48550/arxiv.2502.17680 · pith_short_12: YDX3PJ2JDQKL · pith_short_16: YDX3PJ2JDQKLRHMY · pith_short_8: YDX3PJ2J

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/YDX3PJ2JDQKLRHMYY35FF6EQYV \
  | 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: c0efb7a7491c14b89d98c6fa52f890c5780dddacdb52f0772e0097205bffd273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4b2032dba782cf10d060717295bb446cd3b40db61bf4ac340164083cddd3bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-24T21:57:39Z",
    "title_canon_sha256": "6f4010d53bcba21e76343b70bca4ad923ffc0c41db1e665b1ffd0176d4ffb307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.17680",
    "kind": "arxiv",
    "version": 1
  }
}