Pith Number

pith:6UGHW6BS

pith:2020:6UGHW6BSBX5WCRA4VUNFYLKDO6

not attested not anchored not stored refs pending

The Past History of Galaxy Clusters told by their present neighbors

Gustavo Yepes, Jenny G. Sorce, Stefan Gottl\"ober

arxiv:2007.03695 v1 · 2020-07-07 · 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{6UGHW6BSBX5WCRA4VUNFYLKDO6}

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	2026-07-05T01:19:12.173406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f50c7b78320dfb61441cad1a5c2d4377ab687f24f7dcff6d7146de1872330f84

Aliases

arxiv: 2007.03695 · arxiv_version: 2007.03695v1 · doi: 10.48550/arxiv.2007.03695 · pith_short_12: 6UGHW6BSBX5W · pith_short_16: 6UGHW6BSBX5WCRA4 · pith_short_8: 6UGHW6BS

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/6UGHW6BSBX5WCRA4VUNFYLKDO6 \
  | 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: f50c7b78320dfb61441cad1a5c2d4377ab687f24f7dcff6d7146de1872330f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cecbc772ec141f3b284741615eda0057ea26b9370155be6b464b111ac8d84bba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-07-07T18:00:02Z",
    "title_canon_sha256": "af6599b49b1b03c032ef805bf5c5201acb3210ad2781cba511ff793600edb15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03695",
    "kind": "arxiv",
    "version": 1
  }
}