Pith Number

pith:BQMJ5TWO

pith:2021:BQMJ5TWODMV2OSQ7JYAAZ6LDM7

not attested not anchored not stored refs pending

Pixel color-magnitude diagrams of galaxies in the Fornax cluster using S-PLUS images

A.V. Smith Castelli, C.E. Barbosa, C.G. Escudero, C.L. Mendes de Oliveira, F.R. Faifer, F.R. Herpich, L.A. Sesto

arxiv:2104.13496 v1 · 2021-04-27 · 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{BQMJ5TWODMV2OSQ7JYAAZ6LDM7}

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	2026-07-05T02:35:55.543582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c189ecece1b2ba74a1f4e000cf96367cf2aec8ae99f71d3e2788c9508728ec7

Aliases

arxiv: 2104.13496 · arxiv_version: 2104.13496v1 · doi: 10.48550/arxiv.2104.13496 · pith_short_12: BQMJ5TWODMV2 · pith_short_16: BQMJ5TWODMV2OSQ7 · pith_short_8: BQMJ5TWO

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/BQMJ5TWODMV2OSQ7JYAAZ6LDM7 \
  | 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: 0c189ecece1b2ba74a1f4e000cf96367cf2aec8ae99f71d3e2788c9508728ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b6f0fdb0f6a65167390d43975f89f70ed57e81d286a2b641780de89d4de595",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-27T22:28:06Z",
    "title_canon_sha256": "03ff67a7524764a211509d06a5fcbdc3fad5483e011132b8bb3068be1ad804de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13496",
    "kind": "arxiv",
    "version": 1
  }
}