Pith Number

pith:CYYZSPSV

pith:2018:CYYZSPSVRW4AUCHP4QHPT2NMS7

not attested not anchored not stored refs pending

Spectroscopic decomposition of NGC 3521: unveiling the properties of the bulge and disc

2), (2) Max Planck Institute for Extraterrestrial Physics, 3), (3) University Observatory Munich, (4) McDonald Observatory, (5) Dipartimento di Fisica e Astronomia "G. Galilei", Garching, Germany, Italy), Lodovico Coccato (1), Lorenzo Morelli (5) ((1) European Southern Observatory, Maximilian H. Fabricius (2, Munich, Niv Drory (4), Padova, Peter Erwin (2), Ralf Bender (3, Roberto P. Saglia (2, Texas, The University of Texas at Austin, Universit\`a di Padova, USA

arxiv:1803.03653 v1 · 2018-03-09 · 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{CYYZSPSVRW4AUCHP4QHPT2NMS7}

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	2026-05-18T00:20:01.534576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1631993e558db80a08efe40ef9e9ac97cacda6ef62fb2fa4835943038ce779a6

Aliases

arxiv: 1803.03653 · arxiv_version: 1803.03653v1 · doi: 10.48550/arxiv.1803.03653 · pith_short_12: CYYZSPSVRW4A · pith_short_16: CYYZSPSVRW4AUCHP · pith_short_8: CYYZSPSV

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/CYYZSPSVRW4AUCHP4QHPT2NMS7 \
  | 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: 1631993e558db80a08efe40ef9e9ac97cacda6ef62fb2fa4835943038ce779a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44efbc17c924ce7fd15652cbf7ede77ac1560f91d80e1938d6efd698d5bf35d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-09T19:00:05Z",
    "title_canon_sha256": "d55a769690bc3a2377924854a8cd831ed53fee2c81a7bccae09ce5e40fa01da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03653",
    "kind": "arxiv",
    "version": 1
  }
}