Pith Number

pith:PGNOJT6I

pith:2003:PGNOJT6IGBLQSWFP5DDGU3ZPYE

not attested not anchored not stored refs pending

Hot Gas in Planetary Nebulae

M.A. Guerrero (University of Illinois), R.A. Gruendl, Y.-H. Chu

arxiv:astro-ph/0310310 v1 · 2003-10-10 · 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{PGNOJT6IGBLQSWFP5DDGU3ZPYE}

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	2026-07-04T14:13:04.702286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799ae4cfc830570958afe8c66a6f2fc132d2e561121beb4a11311064fd33e704

Aliases

arxiv: astro-ph/0310310 · arxiv_version: astro-ph/0310310v1 · doi: 10.48550/arxiv.astro-ph/0310310 · pith_short_12: PGNOJT6IGBLQ · pith_short_16: PGNOJT6IGBLQSWFP · pith_short_8: PGNOJT6I

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/PGNOJT6IGBLQSWFP5DDGU3ZPYE \
  | 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: 799ae4cfc830570958afe8c66a6f2fc132d2e561121beb4a11311064fd33e704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b66487bc9fbe868c20fb1fad7418c5d00e988fdb1bda8771ab258109fb6c1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-10T23:02:57Z",
    "title_canon_sha256": "697944744eef703087d2d7c177d869ad807a3bd67cde34e70c1012043fc485a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310310",
    "kind": "arxiv",
    "version": 1
  }
}