Pith Number

pith:UTRMWRCB

pith:2000:UTRMWRCBHYEARMLQ3L2LMHCFXV

not attested not anchored not stored refs pending

A study of the core of the Shapley Concentration: V. The A3528 complex: a young merger event?

A.Baldi, E.Zucca, S.Bardelli

arxiv:astro-ph/0009008 v1 · 2000-09-01 · 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{UTRMWRCBHYEARMLQ3L2LMHCFXV}

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	2026-05-18T01:07:46.456472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e2cb44413e0808b170daf4b61c45bd72bbd8ea19ca027c1f82f14f3c4c88b4

Aliases

arxiv: astro-ph/0009008 · arxiv_version: astro-ph/0009008v1 · doi: 10.48550/arxiv.astro-ph/0009008 · pith_short_12: UTRMWRCBHYEA · pith_short_16: UTRMWRCBHYEARMLQ · pith_short_8: UTRMWRCB

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/UTRMWRCBHYEARMLQ3L2LMHCFXV \
  | 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: a4e2cb44413e0808b170daf4b61c45bd72bbd8ea19ca027c1f82f14f3c4c88b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60a961d3011a6a75a4ea8b29f52bbf67f8eec997e3f0110186346933ef047ddd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-01T09:18:37Z",
    "title_canon_sha256": "db126e1c2391409c5cebc11ee455c4a2d5dc45a51c382db19a54a506798336a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009008",
    "kind": "arxiv",
    "version": 1
  }
}