Pith Number

pith:GLNVK5SL

pith:2012:GLNVK5SL5LCR2BH6UCSZHJU7F2

not attested not anchored not stored refs pending

Disentangling the stellar populations in the counter-rotating disc galaxy NGC 4550

Alfonso Aragon-Salamanca, Evelyn J. Johnston, Michael R. Merrifield, Michele Cappellari

arxiv:1210.0535 v1 · 2012-10-01 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLNVK5SL5LCR2BH6UCSZHJU7F2}

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	2026-05-18T01:54:11.875941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32db55764beac51d04fea0a593a69f2e9ed753beb2d0f89c31add7172c3cd719

Aliases

arxiv: 1210.0535 · arxiv_version: 1210.0535v1 · doi: 10.48550/arxiv.1210.0535 · pith_short_12: GLNVK5SL5LCR · pith_short_16: GLNVK5SL5LCR2BH6 · pith_short_8: GLNVK5SL

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/GLNVK5SL5LCR2BH6UCSZHJU7F2 \
  | 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: 32db55764beac51d04fea0a593a69f2e9ed753beb2d0f89c31add7172c3cd719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444562e10ef2743cfe9fb03c4b29213a991df1c0516bde11d329be6091501c2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-01T20:00:02Z",
    "title_canon_sha256": "3d9c99295db52332bad35046aefa60e34e7babb19aef6d7fd50e90a72f8b040f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0535",
    "kind": "arxiv",
    "version": 1
  }
}