Pith Number

pith:IX5RF2JK

pith:2006:IX5RF2JKSBZNTVSTF7NATHKIOV

not attested not anchored not stored refs pending

Imaging of star clusters in unperturbed spiral galaxies with the Advanced Camera for Surveys. I. The low luminosity galaxy NGC 45

(2) Astronomical Institute, Marcelo D. Mora (1), Markus Kissler-Patig (1) ((1) ESO Garching, Soeren S. Larsen (2), University of Utrecht)

arxiv:astro-ph/0612463 v1 · 2006-12-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IX5RF2JKSBZNTVSTF7NATHKIOV}

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	2026-05-18T01:40:28.403945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fb12e92a9072d9d6532fda099d48756d23fd0c38b910e0afcb3be9c74280ff

Aliases

arxiv: astro-ph/0612463 · arxiv_version: astro-ph/0612463v1 · doi: 10.48550/arxiv.astro-ph/0612463 · pith_short_12: IX5RF2JKSBZN · pith_short_16: IX5RF2JKSBZNTVST · pith_short_8: IX5RF2JK

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/IX5RF2JKSBZNTVSTF7NATHKIOV \
  | 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: 45fb12e92a9072d9d6532fda099d48756d23fd0c38b910e0afcb3be9c74280ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac5868f4b70b0ca880ffde31dd21ba6f77ed402e2aeef295450c09bb93343cb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-18T17:35:53Z",
    "title_canon_sha256": "66b66664aca84265f58d338467429fb4410211564d9bc8117e8ef91c16eda751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612463",
    "kind": "arxiv",
    "version": 1
  }
}