Pith Number

pith:H45GVUTH

pith:2005:H45GVUTHWBR5X5NJDYRR4HNP4Y

not attested not anchored not stored refs pending

On the Velocity Field and the 3D Structure of the Galactic Soccer Ball Abell 43

(2) Department of Physics, (3) Observatoire de Strasbourg, Astronomy, Barbara Ercolano (2), France), Germany, Joachim K\"oppen (3) ((1) Institut f\"ur Astronomie und Astrophysik, Klaus Werner (1), Thomas Rauch (1), UCL, United Kingdom, Universit\"at T\"ubingen

arxiv:astro-ph/0509876 v1 · 2005-09-29 · 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{H45GVUTHWBR5X5NJDYRR4HNP4Y}

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	2026-05-18T01:07:26.501372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3a6ad267b063dbf5a91e231e1dafe63f70a52183f4aa4398a2926cf98f50da

Aliases

arxiv: astro-ph/0509876 · arxiv_version: astro-ph/0509876v1 · doi: 10.48550/arxiv.astro-ph/0509876 · pith_short_12: H45GVUTHWBR5 · pith_short_16: H45GVUTHWBR5X5NJ · pith_short_8: H45GVUTH

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/H45GVUTHWBR5X5NJDYRR4HNP4Y \
  | 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: 3f3a6ad267b063dbf5a91e231e1dafe63f70a52183f4aa4398a2926cf98f50da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b710f190cc2592ff393065378455d03804784b1c9c03a7d5112d37a52bc9ae9f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-29T09:49:31Z",
    "title_canon_sha256": "58d2b1822b81ee477ebadfecf6d73c87efe78df8a44c2891dd28087e2985129b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509876",
    "kind": "arxiv",
    "version": 1
  }
}