Pith Number

pith:6EP7NDXE

pith:2010:6EP7NDXECL72MLEWDINEG4CUV6

not attested not anchored not stored refs pending

The galaxy alignment effect in Abell 1689: evolution, radial and luminosity dependence

Eduardo Banados (Pontificia Universidad Catolica de Chile), Li-Wei Hung (Ohio State University), Michael West (ESO, Roberto De Propris (CTIO), Santiago)

arxiv:1007.2425 v2 · 2010-07-14 · 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{6EP7NDXECL72MLEWDINEG4CUV6}

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	2026-05-18T02:06:21.894628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f11ff68ee412ffa62c961a1a437054af85e9e2507b2580e4b046ac6fde064794

Aliases

arxiv: 1007.2425 · arxiv_version: 1007.2425v2 · doi: 10.48550/arxiv.1007.2425 · pith_short_12: 6EP7NDXECL72 · pith_short_16: 6EP7NDXECL72MLEW · pith_short_8: 6EP7NDXE

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/6EP7NDXECL72MLEWDINEG4CUV6 \
  | 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: f11ff68ee412ffa62c961a1a437054af85e9e2507b2580e4b046ac6fde064794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47a54183433cf3d9bcd38613955fb9669a6255c9f01294dff08c05ae3e1d3b3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-14T20:25:22Z",
    "title_canon_sha256": "7f5173da13abfd3be64c8a29f6267105b6e3385daec17128ecc734f551d57894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2425",
    "kind": "arxiv",
    "version": 2
  }
}