Pith Number

pith:QYSJEJPQ

pith:2011:QYSJEJPQ6S7SO6RDAI3GRCZLK3

not attested not anchored not stored refs pending

The Population of High Redshift AGNs in the Chandra COSMOS survey

(10) Universidad Nacional Autonoma de Mexico-Ensenada, (11) ASI Science Data Center, (12) Max-Planck-Institut fur Astrophysik, (13) Institute for the Physics, (14) Dipartimento di Astronomia, 15), (15) Physics Department, (16) Space Telescope Science Institute, (2) Max Planck Institut fur extraterrestrische Physik, (3) INAF-Osservatorio Astronomico di Bologna, (4) Max-Planck-Institute for Plasma Physics, (5) California Institute of Technology, (6) INAF-Osservatorio Astronomico di Roma, (7) Ehime University, (8) Institute for Astronomy, 9), (9) Department of Physics, A. Comastri (3), A. M. Koekemoer (16) ((1) Harvard Smithsonian Center for astrophysics, Astronomy, A. Zezas (1, Baltimore, C. Vignali (14), D. Masters (5, F. Civano (1), F. Fiore (6), F. Shankar (12), Garching, G. Zamorani (3), H. Hao (1), H. Ikeda (7), Japan, J. Silverman (13), J. S. Kartaltepe (8), Mathematics of the Universe (IPMU), M. Brusa (2), MD), M. Elvis (1), M. Mignoli (3), M. Salvato (4), P. Capak (5), R. Gilli (3), S. Puccetti (11), T. Miyaji (10), Universita' di Bologna, University of California Riverside, University of Crete, University of Hawaii, Y. Kakazu (5)

arxiv:1103.2570 v2 · 2011-03-14 · 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{QYSJEJPQ6S7SO6RDAI3GRCZLK3}

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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	2026-05-18T02:02:54.025899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86249225f0f4bf277a230236688b2b56df591a3f40262a6e9d1ddca7b1602d52

Aliases

arxiv: 1103.2570 · arxiv_version: 1103.2570v2 · doi: 10.48550/arxiv.1103.2570 · pith_short_12: QYSJEJPQ6S7S · pith_short_16: QYSJEJPQ6S7SO6RD · pith_short_8: QYSJEJPQ

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/QYSJEJPQ6S7SO6RDAI3GRCZLK3 \
  | 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: 86249225f0f4bf277a230236688b2b56df591a3f40262a6e9d1ddca7b1602d52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b516cdd84b24aa9b1496961553151a9e9c5d74c02e3380b10985630c6d332d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-14T01:12:28Z",
    "title_canon_sha256": "82f2b0444ee6fd9639871eb7063126d5d20ee2d0e03cea35fd309d17c0c03a64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2570",
    "kind": "arxiv",
    "version": 2
  }
}