Pith Number

pith:K7JDPCEG

pith:2009:K7JDPCEG4GDCDGANPRNNRYEZSG

not attested not anchored not stored refs pending

IC10: the history of the nearest starburst galaxy through its Planetary Nebula and HII region populations

Brazil), Denise R. Goncalves (UFRJ - Observatorio do Valongo, Italy), Laura Magrini (INAF, Osservatorio Astrofisico di Arcetri

arxiv:0905.3630 v1 · 2009-05-22 · 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{K7JDPCEG4GDCDGANPRNNRYEZSG}

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	2026-05-18T02:13:38.068129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d2378886e18621980d7c5ad8e0999180c69076cf9f06e647dfadfbf8a87284

Aliases

arxiv: 0905.3630 · arxiv_version: 0905.3630v1 · doi: 10.48550/arxiv.0905.3630 · pith_short_12: K7JDPCEG4GDC · pith_short_16: K7JDPCEG4GDCDGAN · pith_short_8: K7JDPCEG

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/K7JDPCEG4GDCDGANPRNNRYEZSG \
  | 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: 57d2378886e18621980d7c5ad8e0999180c69076cf9f06e647dfadfbf8a87284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3841fae4c33ccbbca5a20393aa37142122b7a58b75c7cf6943ec2234587791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-22T08:29:50Z",
    "title_canon_sha256": "b3c3725c54296bbd6f5e96e31f6876076632a1ef61b4035ff73ccd58f4fdc82a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3630",
    "kind": "arxiv",
    "version": 1
  }
}