Pith Number

pith:W4JQPXCO

pith:2012:W4JQPXCOQASORUPK7WZOKO4O7B

not attested not anchored not stored refs pending

Emission lines between 1 and 2 keV in Cometary X-ray Spectra

Carey M. Lisse, Damian J. Christian, Dennis Bodewits, Ian Ewing, Konrad Dennerl, Scott J. Wolk

arxiv:1212.0624 v1 · 2012-12-04 · astro-ph.EP · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4JQPXCOQASORUPK7WZOKO4O7B}

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	2026-05-18T01:52:48.065860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71307dc4e8024e8d1eafdb2e53b8ef85a4d52193d66fd5de2916d1d351ecf76

Aliases

arxiv: 1212.0624 · arxiv_version: 1212.0624v1 · doi: 10.48550/arxiv.1212.0624 · pith_short_12: W4JQPXCOQASO · pith_short_16: W4JQPXCOQASORUPK · pith_short_8: W4JQPXCO

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/W4JQPXCOQASORUPK7WZOKO4O7B \
  | 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: b71307dc4e8024e8d1eafdb2e53b8ef85a4d52193d66fd5de2916d1d351ecf76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82fabf3c9ac36427146874f1f96e70a33192db2ebbed8298dfc356f0d2acb30c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-12-04T06:57:37Z",
    "title_canon_sha256": "5e6e44fef153ee0399c23bd48745de9f3ef1939c484c85de5c8bf094e69f38e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0624",
    "kind": "arxiv",
    "version": 1
  }
}