Pith Number

pith:IWX77UNR

pith:2012:IWX77UNR7FD6YRS3GOW56J5WQM

not attested not anchored not stored refs pending

The dust and gas content of carbon stars toward the Galactic Halo

Albert.A. Zijlstra, Eric Lagadec, Greg.C. Sloan, J. R. Houck, Nicolas Mauron

arxiv:1208.1306 v1 · 2012-08-07 · astro-ph.SR · 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{IWX77UNR7FD6YRS3GOW56J5WQM}

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	2026-05-18T01:55:22.381236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45afffd1b1f947ec465b33addf27b6830ccac63ce275c116b0a46f75ca43b0bf

Aliases

arxiv: 1208.1306 · arxiv_version: 1208.1306v1 · doi: 10.48550/arxiv.1208.1306 · pith_short_12: IWX77UNR7FD6 · pith_short_16: IWX77UNR7FD6YRS3 · pith_short_8: IWX77UNR

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/IWX77UNR7FD6YRS3GOW56J5WQM \
  | 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: 45afffd1b1f947ec465b33addf27b6830ccac63ce275c116b0a46f75ca43b0bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddb3a0804ae14c287ff9e48c475270536f149f52e5804bb43f11ebaf7bab3ec6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-07T00:08:27Z",
    "title_canon_sha256": "a78358aab0f1edfaf2177e9fa1530abc9bccc869c84043590f4b075a6ab85cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1306",
    "kind": "arxiv",
    "version": 1
  }
}