Pith Number

pith:DLKAQHOD

pith:2007:DLKAQHODRYM7DNKMXMO2E25UXZ

not attested not anchored not stored refs pending

Anomalies of the Achucarro-Ortiz black hole

Hongbao Zhang, Kui Xiao, Wenbiao Liu

arxiv:hep-th/0702199 v2 · 2007-02-26 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLKAQHODRYM7DNKMXMO2E25UXZ}

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	2026-05-18T02:52:04.554586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad4081dc38e19f1b54cbb1da26bb4be5a6765881b55f2c0824333b72725e1c1

Aliases

arxiv: hep-th/0702199 · arxiv_version: hep-th/0702199v2 · doi: 10.48550/arxiv.hep-th/0702199 · pith_short_12: DLKAQHODRYM7 · pith_short_16: DLKAQHODRYM7DNKM · pith_short_8: DLKAQHOD

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/DLKAQHODRYM7DNKMXMO2E25UXZ \
  | 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: 1ad4081dc38e19f1b54cbb1da26bb4be5a6765881b55f2c0824333b72725e1c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e9ebd2a42c42c53cdf6701430a7adf6612cf227b9e3c7825a377eab8b6e8c13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-02-26T02:20:11Z",
    "title_canon_sha256": "b1200da04bc23a69450b282ea2f31c61fa76e6e103b79a46ef865a8b89562a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0702199",
    "kind": "arxiv",
    "version": 2
  }
}