Pith Number

pith:DHCSAHAN

pith:2013:DHCSAHAN5CI2OUOMA25NJFYVIZ

not attested not anchored not stored refs pending

Dual Supermassive Black Hole Candidates in the AGN and Galaxy Evolution Survey

Jenny E. Greene, Julia M. Comerford, Kyle Schluns, Richard J. Cool

arxiv:1309.2284 v1 · 2013-09-09 · 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{DHCSAHAN5CI2OUOMA25NJFYVIZ}

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	2026-05-18T01:47:44.130238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c5201c0de891a751cc06bad49715464cf8d5ac80bd60a759c2416a3bd1974f

Aliases

arxiv: 1309.2284 · arxiv_version: 1309.2284v1 · doi: 10.48550/arxiv.1309.2284 · pith_short_12: DHCSAHAN5CI2 · pith_short_16: DHCSAHAN5CI2OUOM · pith_short_8: DHCSAHAN

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/DHCSAHAN5CI2OUOMA25NJFYVIZ \
  | 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: 19c5201c0de891a751cc06bad49715464cf8d5ac80bd60a759c2416a3bd1974f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76ea423bdeabd40135ed1661bbf93eed776b0d69e60029f6bb4a98f9fec410d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-09T20:00:01Z",
    "title_canon_sha256": "45d765ed7aa7823817f4fbf5c6072eff9b28c6b2e8bf4f83efe90c91328ef85e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2284",
    "kind": "arxiv",
    "version": 1
  }
}