Pith Number

pith:K3637PJT

pith:2007:K3637PJTUC6CTZCT6AZKMQUZTF

not attested not anchored not stored refs pending

Substructures in WINGS clusters

A. Biviano, A. Dressler, A. Pisani, B.M. Poggianti, D. Bettoni, E. Pignatelli, G. Fasano, J. Varela, M. D'Onofrio, M. Moles, M. Ramella, P. Kjaergaard, W.J. Couch

arxiv:0704.0579 v1 · 2007-04-04 · 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{K3637PJTUC6CTZCT6AZKMQUZTF}

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	2026-07-04T17:03:11.164731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56fdbfbd33a0bc29e453f032a64299994b247678d12e458ca39c7beb05c3a978

Aliases

arxiv: 0704.0579 · arxiv_version: 0704.0579v1 · doi: 10.48550/arxiv.0704.0579 · pith_short_12: K3637PJTUC6C · pith_short_16: K3637PJTUC6CTZCT · pith_short_8: K3637PJT

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/K3637PJTUC6CTZCT6AZKMQUZTF \
  | 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: 56fdbfbd33a0bc29e453f032a64299994b247678d12e458ca39c7beb05c3a978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59d62a9c2ca65513ad782aa4057546243289e7bf9721ce465956d76ce6523257",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-04T14:07:45Z",
    "title_canon_sha256": "f359ab0a4a17d6748575694c10bb5b5a60b6804b0ef38113edbd2c43a8988d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0579",
    "kind": "arxiv",
    "version": 1
  }
}