Pith Number

pith:H75NNCBA

pith:2011:H75NNCBAF5VTUU4WXAUWZBF266

not attested not anchored not stored refs pending

Dark matter halos around isolated ellipticals

Ana Babic, Elisabetta Memola, Paolo Salucci

arxiv:1106.5133 v3 · 2011-06-25 · 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{H75NNCBAF5VTUU4WXAUWZBF266}

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	2026-05-18T02:01:30.764610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ffad688202f6b3a5396b8296c84baf7ba55e68d9869bee19a8e131265c68506

Aliases

arxiv: 1106.5133 · arxiv_version: 1106.5133v3 · doi: 10.48550/arxiv.1106.5133 · pith_short_12: H75NNCBAF5VT · pith_short_16: H75NNCBAF5VTUU4W · pith_short_8: H75NNCBA

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/H75NNCBAF5VTUU4WXAUWZBF266 \
  | 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: 3ffad688202f6b3a5396b8296c84baf7ba55e68d9869bee19a8e131265c68506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b0f62f9e4b527ef81d86c7b48aab76c1c9d6f66c35f4262e68f04ba50ea19d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-25T14:08:57Z",
    "title_canon_sha256": "e2ca37f9b13a88663238217529a9904f1b783a0dc05fd916b8aaf0fcc826b20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5133",
    "kind": "arxiv",
    "version": 3
  }
}