Pith Number

pith:QLTSUMHR

pith:2009:QLTSUMHRG4PREJZJFB22DP5LCP

not attested not anchored not stored refs pending

Chemical behavior of the Dwarf Irregular Galaxy NGC 6822. Its PN and HII region abundances

Jorge Garcia-Rojas, Leticia Carigi, Liliana Hernandez-Martinez, Miriam Pe\~na

arxiv:0906.4402 v1 · 2009-06-24 · 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{QLTSUMHRG4PREJZJFB22DP5LCP}

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	2026-05-18T02:13:13.054293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e72a30f1371f1227292875a1bfab13c77ee566fa803095125419ee47eb558b

Aliases

arxiv: 0906.4402 · arxiv_version: 0906.4402v1 · doi: 10.48550/arxiv.0906.4402 · pith_short_12: QLTSUMHRG4PR · pith_short_16: QLTSUMHRG4PREJZJ · pith_short_8: QLTSUMHR

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/QLTSUMHRG4PREJZJFB22DP5LCP \
  | 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: 82e72a30f1371f1227292875a1bfab13c77ee566fa803095125419ee47eb558b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84caf4915e47df1af8a660c84d91dfada3c8f3674205af7c8a9a6adc9d2326aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-24T05:02:27Z",
    "title_canon_sha256": "431f15c170caf97f5901fd20aba06270c942aa43dc9e80808ae829f91f090dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4402",
    "kind": "arxiv",
    "version": 1
  }
}