Pith Number

pith:G73D746U

pith:2011:G73D746USTBBOKZQLKDTVSNKNH

not attested not anchored not stored refs pending

Planetary Nebulae in the Magellanic Clouds and Local Group Galaxies

Warren A. Reid

arxiv:1112.4209 v1 · 2011-12-19 · 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{G73D746USTBBOKZQLKDTVSNKNH}

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	2026-05-18T01:59:05.932399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37f63ff3d494c2172b305a873ac9aa69ce106928f71d5fab31815127695c8087

Aliases

arxiv: 1112.4209 · arxiv_version: 1112.4209v1 · doi: 10.48550/arxiv.1112.4209 · pith_short_12: G73D746USTBB · pith_short_16: G73D746USTBBOKZQ · pith_short_8: G73D746U

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/G73D746USTBBOKZQLKDTVSNKNH \
  | 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: 37f63ff3d494c2172b305a873ac9aa69ce106928f71d5fab31815127695c8087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4dda1010736190a003df0f930260381cf57913a46d25ae0ec59c907ac9b872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-19T01:09:21Z",
    "title_canon_sha256": "481a7fdf55f398d621705267863232bf7bce87bebc74bcaa4d253b6c6afc5f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4209",
    "kind": "arxiv",
    "version": 1
  }
}