Pith Number

pith:S7E2HVCX

pith:2011:S7E2HVCXXRF5W4HSAGRC57VC4R

not attested not anchored not stored refs pending

On the Lx-L6micron ratio as a diagnostic for Compton-thick AGN

A. Akylas (NOA), A. Comastri (OABO/INAF), C. Vignali (UBO), E. Rovilos (OABO/INAF), IAA/NOA), I. Balestra (MPE), I. Georgantopoulos (OABO/INAF, N. Cappelluti (OABO/INAF), P. Ranalli (OABO/INAF), R. Gilli (OABO/INAF)

arxiv:1107.3777 v1 · 2011-07-19 · 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{S7E2HVCXXRF5W4HSAGRC57VC4R}

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	2026-05-18T02:01:14.768333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c9a3d457bc4bdb70f201a22efea2e463ef3c406098c04e9695949e58ecdc2a

Aliases

arxiv: 1107.3777 · arxiv_version: 1107.3777v1 · doi: 10.48550/arxiv.1107.3777 · pith_short_12: S7E2HVCXXRF5 · pith_short_16: S7E2HVCXXRF5W4HS · pith_short_8: S7E2HVCX

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/S7E2HVCXXRF5W4HSAGRC57VC4R \
  | 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: 97c9a3d457bc4bdb70f201a22efea2e463ef3c406098c04e9695949e58ecdc2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71b8f8a046147d25d57f2bb34b3edf2520595b82fe72b20ab4fddf06369d53e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-19T17:06:25Z",
    "title_canon_sha256": "560af011a4c7282685b72af7a856612f27fa4ce67af43f6f02c5f04d371dac6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3777",
    "kind": "arxiv",
    "version": 1
  }
}