Pith Number

pith:ITMI7ZSZ

pith:2021:ITMI7ZSZXV7YNSUW2PDM7Q4O6H

not attested not anchored not stored refs pending

CLASH-VLT: Abell~S1063. Cluster assembly history and spectroscopic catalogue

A. Biviano, A. Fritz, A. Mercurio, B. Sartoris, B. Ziegler, C. Grillo, C. Maier, D. Gruen, D. Kelson, E. Vanzella, G. Angora, G. B. Caminha, G. De Lucia, G. Riccio, G. Rodighiero, I. Balestra, K. Umetsu, L. Tortorelli, M. Annunziatella, M. Brescia, M. Girardi, M. Lombardi, M. Meneghetti, M. Nonino, M. Postman, M. Scodeggio, P. Bergamini, P. Rosati, P. Tozzi, R. Demarco, R. Gobat, S. Borgani, S. Seitz, V. Strazzullo

arxiv:2109.03305 v2 · 2021-09-07 · astro-ph.GA · 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{ITMI7ZSZXV7YNSUW2PDM7Q4O6H}

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	2026-07-05T03:40:44.822839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d88fe659bd7f86ca96d3c6cfc38ef1fa6c0b6c258f32df8c0b252bd0432cb1

Aliases

arxiv: 2109.03305 · arxiv_version: 2109.03305v2 · doi: 10.48550/arxiv.2109.03305 · pith_short_12: ITMI7ZSZXV7Y · pith_short_16: ITMI7ZSZXV7YNSUW · pith_short_8: ITMI7ZSZ

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/ITMI7ZSZXV7YNSUW2PDM7Q4O6H \
  | 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: 44d88fe659bd7f86ca96d3c6cfc38ef1fa6c0b6c258f32df8c0b252bd0432cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2322303a334c096857d21dde63e3394527a864f7f96c4320e1d25fca89ce4ce1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-07T19:50:50Z",
    "title_canon_sha256": "6e7cc0f42846a8d18024d6db091d405aeb6f34f147900272b4c7a6156ab49509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03305",
    "kind": "arxiv",
    "version": 2
  }
}