Pith Number

pith:JQEQHNIM

pith:2010:JQEQHNIMRWGSWFZTZQ2GQNE4UC

not attested not anchored not stored refs pending

The Cluster Birthline and the formation of stellar clusters in M33

Carlo Giovanardi, Edvige Corbelli, Marco Grossi

arxiv:1011.1097 v1 · 2010-11-04 · 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{JQEQHNIMRWGSWFZTZQ2GQNE4UC}

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	2026-05-18T04:37:02.021496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0903b50c8d8d2b1733cc3468349ca08a49097ea18e08750e752b5ea2e2f2e3

Aliases

arxiv: 1011.1097 · arxiv_version: 1011.1097v1 · doi: 10.48550/arxiv.1011.1097 · pith_short_12: JQEQHNIMRWGS · pith_short_16: JQEQHNIMRWGSWFZT · pith_short_8: JQEQHNIM

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/JQEQHNIMRWGSWFZTZQ2GQNE4UC \
  | 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: 4c0903b50c8d8d2b1733cc3468349ca08a49097ea18e08750e752b5ea2e2f2e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7e6ae34edd4c96ee11525fb218da53e7ca27e191cceac0274e762e810deaa5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-04T10:09:17Z",
    "title_canon_sha256": "7bf84ef4d63952137a601b33981e0f9659f1e684904a18c3adc51cf32f4e471a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1097",
    "kind": "arxiv",
    "version": 1
  }
}