Pith Number

pith:GI32R54M

pith:2009:GI32R54MUTLHCJC4XCBQAJVECR

not attested not anchored not stored refs pending

Radio Planetary Nebulae in the Magellanic Clouds

A. Hughes, A. Y. De Horta, E. J. Crawford, F. Stootman, I. S. Boji\v{c}i\'c, J. Dickel, J. L. Payne, M. Cohen, M. D. Filipovi\'c, Q. A. Parker, W. A. Reid

arxiv:0906.4588 v1 · 2009-06-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GI32R54MUTLHCJC4XCBQAJVECR}

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	2026-05-18T02:13:12.876576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3237a8f78ca4d671245cb8830026a4144a69eb0b46a9cf7854ec7951aa4a3958

Aliases

arxiv: 0906.4588 · arxiv_version: 0906.4588v1 · doi: 10.48550/arxiv.0906.4588 · pith_short_12: GI32R54MUTLH · pith_short_16: GI32R54MUTLHCJC4 · pith_short_8: GI32R54M

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/GI32R54MUTLHCJC4XCBQAJVECR \
  | 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: 3237a8f78ca4d671245cb8830026a4144a69eb0b46a9cf7854ec7951aa4a3958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7800235d5d44ab5ded91f6dcabd6f12ba038e3a5cdaa471c4c91bb432676629d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-25T01:52:48Z",
    "title_canon_sha256": "ec28871c1206e89f65817d99b5d0eca650dbecdb072607665bf00ece465927ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4588",
    "kind": "arxiv",
    "version": 1
  }
}