Pith Number

pith:CNHX7JU5

pith:2012:CNHX7JU52N5L3RIFHW7WQUWTA7

not attested not anchored not stored refs pending

A Disc-Corona Model for a Rotating Black Hole

Lixin Li, Renyi Ma, Xiaolong Gong

arxiv:1204.3289 v2 · 2012-04-15 · 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{CNHX7JU52N5L3RIFHW7WQUWTA7}

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	2026-05-18T01:57:52.390401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134f7fa69dd37abdc5053dbf6852d307ef0ef4d34bc5c97c4e3c1ac39dba7a83

Aliases

arxiv: 1204.3289 · arxiv_version: 1204.3289v2 · doi: 10.48550/arxiv.1204.3289 · pith_short_12: CNHX7JU52N5L · pith_short_16: CNHX7JU52N5L3RIF · pith_short_8: CNHX7JU5

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/CNHX7JU52N5L3RIFHW7WQUWTA7 \
  | 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: 134f7fa69dd37abdc5053dbf6852d307ef0ef4d34bc5c97c4e3c1ac39dba7a83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5905aa72ea38030833134ac8d27577dd6810e24289d6ec27d30fbcb08f0111e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-15T16:35:52Z",
    "title_canon_sha256": "1c9f561660e0f62289a89d0aa93f3030fdfaa02a3d3d568176ac68635072c0d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3289",
    "kind": "arxiv",
    "version": 2
  }
}