Pith Number

pith:73S4UBE5

pith:2012:73S4UBE5HF3LQSWYMC6BI2TW4I

not attested not anchored not stored refs pending

AGN Obscuration and the Unified Model

Guido Risaliti, Roberto Maiolino, Stefano Bianchi

arxiv:1201.2119 v2 · 2012-01-10 · astro-ph.GA · 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{73S4UBE5HF3LQSWYMC6BI2TW4I}

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	2026-05-18T01:58:53.284379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee5ca049d3976b84ad860bc146a76e20143d819ecea8e6863a9e8eb2419e15e

Aliases

arxiv: 1201.2119 · arxiv_version: 1201.2119v2 · doi: 10.48550/arxiv.1201.2119 · pith_short_12: 73S4UBE5HF3L · pith_short_16: 73S4UBE5HF3LQSWY · pith_short_8: 73S4UBE5

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/73S4UBE5HF3LQSWYMC6BI2TW4I \
  | 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: fee5ca049d3976b84ad860bc146a76e20143d819ecea8e6863a9e8eb2419e15e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a305f354aeab6f35a11821db57b7e8e74d3a8bff5109d6a306b959756eb5cc61",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-10T17:21:59Z",
    "title_canon_sha256": "a45ce9fe3e41612adedda92c95b6f1b2c0c2b2a7013dd934357c155387114b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2119",
    "kind": "arxiv",
    "version": 2
  }
}