Pith Number

pith:TSW2IBQP

pith:2009:TSW2IBQPG66MMBPIRIONKYY4SG

not attested not anchored not stored refs pending

Black hole growth and starburst activity at z = 0.6-4 in the Chandra Deep Field South. Host galaxies properties of obscured AGN

4), 5), A. Comastri, A. Fontana (2), A. Grazian (2), A. Merloni (1, F. Civano (6), F. Fiore, G. Hasinger (1, G. Zamorani (3), M. Brusa (1), P. Santini, V. Mainieri (7) (1 - MPE Garching; 2 - INAF-OARoma; 3 - INAF-OABo; 4 - IPP Garching; 5 - Excellence Cluster Universe; 6 - CfA; 7 - ESO)

arxiv:0910.1007 v2 · 2009-10-06 · 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{TSW2IBQPG66MMBPIRIONKYY4SG}

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	2026-05-18T02:11:26.240076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cada4060f37bcc605e88a1cd5631c919c1807cf79e74c944d85ed38da8ce130

Aliases

arxiv: 0910.1007 · arxiv_version: 0910.1007v2 · doi: 10.48550/arxiv.0910.1007 · pith_short_12: TSW2IBQPG66M · pith_short_16: TSW2IBQPG66MMBPI · pith_short_8: TSW2IBQP

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/TSW2IBQPG66MMBPIRIONKYY4SG \
  | 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: 9cada4060f37bcc605e88a1cd5631c919c1807cf79e74c944d85ed38da8ce130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b17e0dfec90f2b1d5183229b843b9a082903ede1ff1c1b11c20bfe11ac188f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-06T14:15:14Z",
    "title_canon_sha256": "e171a0e51178e560a0f3fe4227b281ced282ef61abb8af829f76d0dcef1a7087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1007",
    "kind": "arxiv",
    "version": 2
  }
}