Pith Number

pith:43MAAPM2

pith:2015:43MAAPM2SZUUOYLLB35YBBHT32

not attested not anchored not stored refs pending

The Spitzer Survey of Stellar Structure in Galaxies (S4G): Stellar Masses, Sizes and Radial Profiles for 2352 Nearby Galaxies

Albert Bosma, Alexandre Y. K. Bouquin, Armando Gil de Paz, Barry Madore, Benne Holwerda, Dennis Zaritsky, Dimitri Gadotti, E. Athanassoula, Eija Laurikainen, Eva Schinnerer, Heikki Salo, Helene Courtois, Jarkko Laine, Joannah Hinz, Johan H. Knapen, Juan Carlos Munoz-Mateos, Karin Menendez-Delmestre, Kartik Sheth, Luis Ho, Mark Seibert, Michael Regan, Miguel Querejeta, Santiago Erroz-Ferrer, Sebastien Comeron, Seppo Laine, Sharon Meidt, Taehyun Kim, Trisha Mizusawa

arxiv:1505.03534 v1 · 2015-05-13 · 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{43MAAPM2SZUUOYLLB35YBBHT32}

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	2026-05-18T02:09:53.820094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d8003d9a966947616b0efb8084f3de872cb7d2aac4841a6bc5ba02cd6acd22

Aliases

arxiv: 1505.03534 · arxiv_version: 1505.03534v1 · doi: 10.48550/arxiv.1505.03534 · pith_short_12: 43MAAPM2SZUU · pith_short_16: 43MAAPM2SZUUOYLL · pith_short_8: 43MAAPM2

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/43MAAPM2SZUUOYLLB35YBBHT32 \
  | 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: e6d8003d9a966947616b0efb8084f3de872cb7d2aac4841a6bc5ba02cd6acd22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb84e9fd3b7901a2a1fd93572695665e3c73d69c4e91f791f2e126912fc9f4f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-13T20:01:37Z",
    "title_canon_sha256": "9d6a69b7bbff08ff07ded22fb5a1ad762d36f613fc11664bee87350a6b4672c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03534",
    "kind": "arxiv",
    "version": 1
  }
}