Pith Number

pith:X5L7HHDZ

pith:2010:X5L7HHDZJEZWY3LF4XPGOIIQLB

not attested not anchored not stored refs pending

Nuclei of early-type dwarf galaxies: insights from stellar populations

Harald Kuntschner, Sanjaya Paudel, Thorsten Lisker

arxiv:1012.4092 v1 · 2010-12-18 · astro-ph.GA · 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{X5L7HHDZJEZWY3LF4XPGOIIQLB}

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	2026-05-18T02:04:22.498525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf57f39c7949336c6d65e5de67211058748146bf6c04cc7098b3c2fb210937c5

Aliases

arxiv: 1012.4092 · arxiv_version: 1012.4092v1 · doi: 10.48550/arxiv.1012.4092 · pith_short_12: X5L7HHDZJEZW · pith_short_16: X5L7HHDZJEZWY3LF · pith_short_8: X5L7HHDZ

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/X5L7HHDZJEZWY3LF4XPGOIIQLB \
  | 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: bf57f39c7949336c6d65e5de67211058748146bf6c04cc7098b3c2fb210937c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2635c1343fcee7b2a051a6e4ada5bb2af773a830daad33132ed8c4363eda7cd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-18T14:01:26Z",
    "title_canon_sha256": "29242dd542b14e79f2cf91e81696b3e96d1daa2bdfad888128fd8d5e465cc2b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4092",
    "kind": "arxiv",
    "version": 1
  }
}