Pith Number

pith:BPONK6U5

pith:2014:BPONK6U52J3UDTIY53QYF7BILT

not attested not anchored not stored refs pending

Chandra X-ray observation of the HII region Gum 31 in the Carina Nebula complex

L. Townsley, M. Mehlhorn, P. Broos, T. Preibisch, T. Ratzka

arxiv:1403.7047 v1 · 2014-03-27 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPONK6U52J3UDTIY53QYF7BILT}

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	2026-05-18T02:52:25.218518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bdcd57a9dd27741cd18eee182fc285cc83bf9bbc66e35a23ab2c45042e98c82

Aliases

arxiv: 1403.7047 · arxiv_version: 1403.7047v1 · doi: 10.48550/arxiv.1403.7047 · pith_short_12: BPONK6U52J3U · pith_short_16: BPONK6U52J3UDTIY · pith_short_8: BPONK6U5

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/BPONK6U52J3UDTIY53QYF7BILT \
  | 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: 0bdcd57a9dd27741cd18eee182fc285cc83bf9bbc66e35a23ab2c45042e98c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69b715b7ea1bdb7918650f8618b6e99a52bfde58970a552330343d69a19ee0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-27T14:19:21Z",
    "title_canon_sha256": "54aa98c8d86643a21d758fa351bdb2081659de9c96e9118afd6f689ab50838e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7047",
    "kind": "arxiv",
    "version": 1
  }
}