Pith Number

pith:JTZEVBWW

pith:2012:JTZEVBWWVHWLK7JCQ56RSN5W65

not attested not anchored not stored refs pending

A dynamical model for the Taffy galaxies UGC 12914/5

(2) Univ. Bordeaux, 3), (3) CNRS, (4) Astronomical Observatory, B. Vollmer (1), Floirac, France, Jagiellonian University, J. Braine (2, Krakow, LAB, Laboratoire d'Astrophysique de Bordeaux, M. Soida (4) ((1) CDS, Observatoire de Strasbourg, Poland), UMR 5804

arxiv:1209.6052 v1 · 2012-09-26 · astro-ph.CO · 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{JTZEVBWWVHWLK7JCQ56RSN5W65}

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	2026-05-18T01:54:13.608041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf24a86d6a9ecb57d22877d1937b6f7421e2e3afd77376dd3257076459b430d

Aliases

arxiv: 1209.6052 · arxiv_version: 1209.6052v1 · doi: 10.48550/arxiv.1209.6052 · pith_short_12: JTZEVBWWVHWL · pith_short_16: JTZEVBWWVHWLK7JC · pith_short_8: JTZEVBWW

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/JTZEVBWWVHWLK7JCQ56RSN5W65 \
  | 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: 4cf24a86d6a9ecb57d22877d1937b6f7421e2e3afd77376dd3257076459b430d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12aa2b8dd70d22ac9c1025be1328fc1d1cb9cba40a198619df10ed5975214dd9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-26T11:33:51Z",
    "title_canon_sha256": "532cabccf94ef0272327799c3b24e84bdc31f43c0f8f62bac881dff9027e8995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6052",
    "kind": "arxiv",
    "version": 1
  }
}