Pith Number

pith:L3QNNA4I

pith:2008:L3QNNA4I4USANS6PQQ2TXLAL2E

not attested not anchored not stored refs pending

Triggered massive-star formation on the borders of Galactic HII regions. IV- Star formation at the periphery of Sh2-212

A. Zavagno, B. Lefloch, D. Nadeau, J. Caplan, L. Deharveng, M. Pomar\`es, S. Kurtz

arxiv:0803.4152 v1 · 2008-03-28 · 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{L3QNNA4I4USANS6PQQ2TXLAL2E}

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	2026-07-04T17:10:00.705981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee0d68388e52406cbcf84353bac0bd111b88a23d16a2d36362436436d01d161

Aliases

arxiv: 0803.4152 · arxiv_version: 0803.4152v1 · doi: 10.48550/arxiv.0803.4152 · pith_short_12: L3QNNA4I4USA · pith_short_16: L3QNNA4I4USANS6P · pith_short_8: L3QNNA4I

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/L3QNNA4I4USANS6PQQ2TXLAL2E \
  | 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: 5ee0d68388e52406cbcf84353bac0bd111b88a23d16a2d36362436436d01d161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19358172f070ae7fb09262e8522a4f59b5f92a9b43040144a4f887dd33e6c239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-28T15:44:09Z",
    "title_canon_sha256": "bb8e25f89f1c4973887e5406110a8b1079c1d4a2a6ca58e664b8c2c787043acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4152",
    "kind": "arxiv",
    "version": 1
  }
}