Pith Number

pith:ZVDNHFAP

pith:2015:ZVDNHFAPWIWVPHEYONS63UDDI6

not attested not anchored not stored refs pending

The XXL Survey VII: A supercluster of galaxies at z=0.43

B. Altieri, B. Poggianti, C. Adami, C. Benoist, D. Eckert, E. Koulouridis, E. Pompei, F. Gastaldello, F. Pacaud, I. Valtchanov, M. Pierre, N. Baran, S. Alis, S. Lavoie, S. Maurogordato, T. Sadibekova, V Smolcic, Y. L. Jaffe'

arxiv:1512.04359 v1 · 2015-12-14 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVDNHFAPWIWVPHEYONS63UDDI6}

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	2026-05-18T01:12:05.806423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd46d3940fb22d579c987365edd063479729c2a1333853f03713143cc3418148

Aliases

arxiv: 1512.04359 · arxiv_version: 1512.04359v1 · doi: 10.48550/arxiv.1512.04359 · pith_short_12: ZVDNHFAPWIWV · pith_short_16: ZVDNHFAPWIWVPHEY · pith_short_8: ZVDNHFAP

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/ZVDNHFAPWIWVPHEYONS63UDDI6 \
  | 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: cd46d3940fb22d579c987365edd063479729c2a1333853f03713143cc3418148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97e7a540969ad213f17e99261ed13c646331e14b3bd63fe9c63e5ef4e4ed91c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-12-14T15:20:06Z",
    "title_canon_sha256": "3c3417a490c526211a0b02ebc89209244560b5a6de73f8d60f1d9887f23c27b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04359",
    "kind": "arxiv",
    "version": 1
  }
}