Pith Number

pith:PVD2KKWT

pith:2010:PVD2KKWTH2RY6BTPTUKEAYHYAO

not attested not anchored not stored refs pending

X-ray selected Infrared Excess AGN in the Chandra Deep Fields: a moderate fraction of Compton-thick sources

A. Akylas (NOA), A. Comastri (OABO/INAF), E.M. Xilouris (NOA), E. Rovilos (MPE), I. Georgantopoulos (OABO/INAF)

arxiv:1007.0350 v1 · 2010-07-02 · 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{PVD2KKWTH2RY6BTPTUKEAYHYAO}

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	2026-05-18T02:06:32.943413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d47a52ad33ea38f066f9d144060f803954a8278e4a76f8bb222ba9c10fc5ea4

Aliases

arxiv: 1007.0350 · arxiv_version: 1007.0350v1 · doi: 10.48550/arxiv.1007.0350 · pith_short_12: PVD2KKWTH2RY · pith_short_16: PVD2KKWTH2RY6BTP · pith_short_8: PVD2KKWT

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/PVD2KKWTH2RY6BTPTUKEAYHYAO \
  | 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: 7d47a52ad33ea38f066f9d144060f803954a8278e4a76f8bb222ba9c10fc5ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701f0870289f2b655ed8ad5b01dbc980b8355b0ce0dae9d0ca28a728445f7650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-02T12:17:23Z",
    "title_canon_sha256": "83e675c1e1aa3b131afd9d7e89daf9646c19c8f656cba9fe38117d943aa437f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0350",
    "kind": "arxiv",
    "version": 1
  }
}