Pith Number

pith:HZMDTIFC

pith:2011:HZMDTIFCEGNRGKNF7EXZ6DOWHQ

not attested not anchored not stored refs pending

Active Galactic Nucleus Pairs from the Sloan Digital Sky Survey. I. The Frequency on ~ 5-100 kpc Scales

Lei Hao, Michael A. Strauss, Xin Liu, Yue Shen

arxiv:1104.0950 v2 · 2011-04-05 · 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{HZMDTIFCEGNRGKNF7EXZ6DOWHQ}

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	2026-05-18T04:15:49.851532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5839a0a2219b1329a5f92f9f0dd63c0035b3a0ec3b3305a62e9170e1a1a549

Aliases

arxiv: 1104.0950 · arxiv_version: 1104.0950v2 · doi: 10.48550/arxiv.1104.0950 · pith_short_12: HZMDTIFCEGNR · pith_short_16: HZMDTIFCEGNRGKNF · pith_short_8: HZMDTIFC

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/HZMDTIFCEGNRGKNF7EXZ6DOWHQ \
  | 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: 3e5839a0a2219b1329a5f92f9f0dd63c0035b3a0ec3b3305a62e9170e1a1a549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcabe0fb93375d77e40a94227891c5e11ba77a6de504d09912d2e2073d0a60c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-05T20:14:41Z",
    "title_canon_sha256": "608f124600d2a040b62d72dd7c1e60ef8b4e6cdeea2639bcc38f3a62420d8705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0950",
    "kind": "arxiv",
    "version": 2
  }
}