Pith Number

pith:Q77UWBGC

pith:2012:Q77UWBGC7KXVJEEGPAXUNNKNTD

not attested not anchored not stored refs pending

Gravitational microlensing of AGN dusty tori

Luka \v{C}. Popovi\'c, Maarten Baes, Marko Stalevski, Predrag Jovanovi\'c

arxiv:1207.0548 v3 · 2012-07-02 · 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{Q77UWBGC7KXVJEEGPAXUNNKNTD}

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	2026-05-18T03:46:30.666922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ff4b04c2faaf549086782f46b54d98d333587c7bdd83a9fa0be001e9c2ef5b

Aliases

arxiv: 1207.0548 · arxiv_version: 1207.0548v3 · doi: 10.48550/arxiv.1207.0548 · pith_short_12: Q77UWBGC7KXV · pith_short_16: Q77UWBGC7KXVJEEG · pith_short_8: Q77UWBGC

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/Q77UWBGC7KXVJEEGPAXUNNKNTD \
  | 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: 87ff4b04c2faaf549086782f46b54d98d333587c7bdd83a9fa0be001e9c2ef5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13177af7c3c7b0f192228ff8ad61a7c2f3e29cd8b26840a1506aa9d3d9dec890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-02T23:37:56Z",
    "title_canon_sha256": "7f553c0d1c7b717dfe612970c4b3ddd560cdac726fb54d778061fcd21807923e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0548",
    "kind": "arxiv",
    "version": 3
  }
}