Pith Number

pith:D5G2ZKAJ

pith:2012:D5G2ZKAJSIDVROZHN7XKOZBJN5

not attested not anchored not stored refs pending

The young stellar cluster [DBS2003] 157 associated with the H II region GAL 331.31-00.34

Alexandre Roman-Lopes, Diego A. Falceta-Gon\c{c}alves, Marcio C. Pinheiro, Marcus V. F. Copetti, Roberto Ortiz, Zulema Abraham

arxiv:1204.2027 v1 · 2012-04-10 · 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{D5G2ZKAJSIDVROZHN7XKOZBJN5}

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	2026-05-18T01:57:55.518409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f4daca809920758bb276feea764296f624702ee53c9561d93aa908488eb7bf1

Aliases

arxiv: 1204.2027 · arxiv_version: 1204.2027v1 · doi: 10.48550/arxiv.1204.2027 · pith_short_12: D5G2ZKAJSIDV · pith_short_16: D5G2ZKAJSIDVROZH · pith_short_8: D5G2ZKAJ

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/D5G2ZKAJSIDVROZHN7XKOZBJN5 \
  | 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: 1f4daca809920758bb276feea764296f624702ee53c9561d93aa908488eb7bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a69194d50a243a0527151da15c3de888b97ac238037318b63deb8942cab3663",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-10T02:12:18Z",
    "title_canon_sha256": "874b8088110241a9adff907cb4d6f8a49788c572ab7c9f55d8668c9a22a20e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2027",
    "kind": "arxiv",
    "version": 1
  }
}