Pith Number

pith:KLN5GHOB

pith:2020:KLN5GHOBV3622MADC3VTGCOWGB

not attested not anchored not stored refs pending

Real galaxy mergers from galaxy pair catalogs

Clothilde Laigle, Hugo Pfister, Marta Volonteri, Massimo Dotti, Yohan Dubois

arxiv:2001.02461 v1 · 2020-01-08 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLN5GHOBV3622MADC3VTGCOWGB}

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	2026-07-05T00:38:11.216282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52dbd31dc1aefdad300316eb3309d6304d7c6461481d0d61ecd65ed3ffa3526b

Aliases

arxiv: 2001.02461 · arxiv_version: 2001.02461v1 · doi: 10.48550/arxiv.2001.02461 · pith_short_12: KLN5GHOBV362 · pith_short_16: KLN5GHOBV3622MAD · pith_short_8: KLN5GHOB

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/KLN5GHOBV3622MADC3VTGCOWGB \
  | 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: 52dbd31dc1aefdad300316eb3309d6304d7c6461481d0d61ecd65ed3ffa3526b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03fc77d0670454c63375606995a8514b156ea528c2940ac9fc0f2a2f08bc59d8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-08T11:43:52Z",
    "title_canon_sha256": "f8e691219818c72cb379393ec1e22c2d3fc6541237dc752bd6dcfc308ff1d569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02461",
    "kind": "arxiv",
    "version": 1
  }
}