Pith Number

pith:NRRLLBKK

pith:2007:NRRLLBKKNDVZOFBAQX2QJBJHRU

not attested not anchored not stored refs pending

Swift-XRT observation of 34 new INTEGRAL/IBIS AGNs: discovery of Compton thick and other peculiar sources

A. De Rosa, A.J. Bird, A. Malizia, J.Kennea, L. Bassani, M. Fiocchi, M. Molina, M. Perri, N. Gehrels, R. Landi

arxiv:0706.2547 v1 · 2007-06-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRRLLBKKNDVZOFBAQX2QJBJHRU}

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	2026-07-04T17:04:14.878557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c62b5854a68eb97142085f50485278d04702896798accdeb175b1c6e1a5f387

Aliases

arxiv: 0706.2547 · arxiv_version: 0706.2547v1 · doi: 10.48550/arxiv.0706.2547 · pith_short_12: NRRLLBKKNDVZ · pith_short_16: NRRLLBKKNDVZOFBA · pith_short_8: NRRLLBKK

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/NRRLLBKKNDVZOFBAQX2QJBJHRU \
  | 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: 6c62b5854a68eb97142085f50485278d04702896798accdeb175b1c6e1a5f387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d061fc7455ee603b7f0e4972fde005a22b74b82ba30c8304e57b9751501895",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-18T15:13:33Z",
    "title_canon_sha256": "15bf52a81dc073f91ee668a5d26b0721c79c64700b457ecaca172d80c16c3219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2547",
    "kind": "arxiv",
    "version": 1
  }
}