Pith Number

pith:WQ2XMHN5

pith:2009:WQ2XMHN5OFLD2SVD2VGDF5CLCI

not attested not anchored not stored refs pending

Heavily Obscured AGN in Star-Forming Galaxies at z~2

A. Koekemoer (STScI), C. Cardamone, C. M. Urry (Yale), E. Gawiser (Rutgers), E. Le Floc'h (IfA, E. N. Taylor (Leiden), E. Treister (IfA, Hawaii), J. Kartaltepe (NOAO), K. Schawinski, M Damen, P. Lira (U. de Chile), Stephen Justham (Peking U.), S. Virani (Yale)

arxiv:0911.0003 v1 · 2009-10-30 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQ2XMHN5OFLD2SVD2VGDF5CLCI}

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	2026-05-18T02:34:12.351322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b435761dbd71563d4aa3d54c32f44b12169a11c6c689a9dbc3d159fb7a0f517c

Aliases

arxiv: 0911.0003 · arxiv_version: 0911.0003v1 · doi: 10.48550/arxiv.0911.0003 · pith_short_12: WQ2XMHN5OFLD · pith_short_16: WQ2XMHN5OFLD2SVD · pith_short_8: WQ2XMHN5

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/WQ2XMHN5OFLD2SVD2VGDF5CLCI \
  | 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: b435761dbd71563d4aa3d54c32f44b12169a11c6c689a9dbc3d159fb7a0f517c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49a574f7609ffd068c687fdd3865878f97bdd0bbb63dfc3f169f81db69130b73",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-30T20:00:31Z",
    "title_canon_sha256": "6395cf38baa0910f169e2c5e4d814bd94b777345d92a902d37d8388bc8e5bcd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0003",
    "kind": "arxiv",
    "version": 1
  }
}