Pith Number

pith:MNGURQAS

pith:2013:MNGURQASO7KNCUXM3QLFNM24KQ

not attested not anchored not stored refs pending

The Mysterious Sickle Object in the Carina Nebula: A stellar wind induced bow shock grazing a clump?

Andreas Burkert, Judith Ngoumou, Thomas Preibisch, Thorsten Ratzka

arxiv:1304.6520 v1 · 2013-04-24 · 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{MNGURQASO7KNCUXM3QLFNM24KQ}

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	2026-05-18T01:50:22.660190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634d48c01277d4d152ecdc1656b35c54012b157cb8fce603e654a6aae119e9e2

Aliases

arxiv: 1304.6520 · arxiv_version: 1304.6520v1 · doi: 10.48550/arxiv.1304.6520 · pith_short_12: MNGURQASO7KN · pith_short_16: MNGURQASO7KNCUXM · pith_short_8: MNGURQAS

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/MNGURQASO7KNCUXM3QLFNM24KQ \
  | 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: 634d48c01277d4d152ecdc1656b35c54012b157cb8fce603e654a6aae119e9e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af333f1e5ed9df7e8939ec3648351793674c70acb2bc331a4fedaddd42dced67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-24T09:14:38Z",
    "title_canon_sha256": "4da7cf6cc05bba6b83e2d5f501550233aeb528c4dc835918e9cc58a72a51d1ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6520",
    "kind": "arxiv",
    "version": 1
  }
}