Pith Number

pith:AYPM7LUS

pith:2016:AYPM7LUSCGG5R2WOP3FH3RX5E5

not attested not anchored not stored refs pending

Variable stars and stellar populations in Andromeda XXV: III. A central cluster or the galaxy nucleus?

Alessia Garofalo, Felice Cusano, Gisella Clementini, Ilaria Musella, Luciana Federici, Marcella Marconi, Marco Faccini, Michele Cignoni, Roberta Carini, Vincenzo Ripepi, Vincenzo Testa

arxiv:1606.06862 v2 · 2016-06-22 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYPM7LUSCGG5R2WOP3FH3RX5E5}

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	2026-05-18T01:03:49.332412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061ecfae92118dd8eace7eca7dc6fd274349a95295448a74e9f46a09f448164f

Aliases

arxiv: 1606.06862 · arxiv_version: 1606.06862v2 · doi: 10.48550/arxiv.1606.06862 · pith_short_12: AYPM7LUSCGG5 · pith_short_16: AYPM7LUSCGG5R2WO · pith_short_8: AYPM7LUS

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/AYPM7LUSCGG5R2WOP3FH3RX5E5 \
  | 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: 061ecfae92118dd8eace7eca7dc6fd274349a95295448a74e9f46a09f448164f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a65df23601fd5fa998b4b4856fd2abb7aef1a840cf6c34662368a9931a1036",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-22T09:22:02Z",
    "title_canon_sha256": "da573be4edb2ba4b65d0203fb8c8e146485a142fd42c538b86e0aa469798558c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06862",
    "kind": "arxiv",
    "version": 2
  }
}