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Pith Number

pith:DLWOYFVI

pith:2012:DLWOYFVIQHLB5VPWTTOCRA4X43
not attested not anchored not stored refs pending

The evolution of the Compton thick fraction and the nature of obscuration for AGN in the Chandra Deep Field South

Murray Brightman, Yoshihiro Ueda

arxiv:1203.1045 v2 · 2012-03-05 · astro-ph.HE · astro-ph.CO · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DLWOYFVIQHLB5VPWTTOCRA4X43}

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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 2026-05-18T01:58:14.650049Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1aecec16a881d61ed5f69cdc288397e6f1619936be781cc4ba1e102790e758f4

Aliases

arxiv: 1203.1045 · arxiv_version: 1203.1045v2 · doi: 10.48550/arxiv.1203.1045 · pith_short_12: DLWOYFVIQHLB · pith_short_16: DLWOYFVIQHLB5VPW · pith_short_8: DLWOYFVI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DLWOYFVIQHLB5VPWTTOCRA4X43 \
  | 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: 1aecec16a881d61ed5f69cdc288397e6f1619936be781cc4ba1e102790e758f4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e38d84683ceed7636bfaa0c461df1032825451e630d66d6e9dfb4bbdbd5d438d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-03-05T21:01:28Z",
    "title_canon_sha256": "69c6a4ee076b85424dfb08f6b837722493ad3c657ed6e4f924164481b440bb0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1045",
    "kind": "arxiv",
    "version": 2
  }
}