Pith Number

pith:YDMELBCP

pith:2010:YDMELBCPVUAPTMVWBRVH6IXT2Y

not attested not anchored not stored refs pending

The Galactic structure and chemical evolution traced by the population of planetary nebulae

L. Stanghellini, M. Haywood

arxiv:1003.0759 v1 · 2010-03-03 · 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{YDMELBCPVUAPTMVWBRVH6IXT2Y}

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	2026-05-18T02:08:47.231366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d845844fad00f9b2b60c6a7f22f3d606055cf8ba1139dba9557a79fe1b46cd

Aliases

arxiv: 1003.0759 · arxiv_version: 1003.0759v1 · doi: 10.48550/arxiv.1003.0759 · pith_short_12: YDMELBCPVUAP · pith_short_16: YDMELBCPVUAPTMVW · pith_short_8: YDMELBCP

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/YDMELBCPVUAPTMVWBRVH6IXT2Y \
  | 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: c0d845844fad00f9b2b60c6a7f22f3d606055cf8ba1139dba9557a79fe1b46cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f2ac97dd6243c577c7170b4006fd7e02597a19338afd5da0206358ea0510e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-03T09:34:59Z",
    "title_canon_sha256": "6d6e66e6143bf29be4518033b868b0f69c79c45fa00eed78552cf497debf24b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0759",
    "kind": "arxiv",
    "version": 1
  }
}