Pith Number

pith:3YJHKBGE

pith:2018:3YJHKBGEFWBQZ73PWPQXULNRH3

not attested not anchored not stored refs pending

Black hole factory: a review of double-null formalism

Anna Nakonieczna, Dong-han Yeom, {\L}ukasz Nakonieczny

arxiv:1805.12362 v2 · 2018-05-31 · gr-qc · 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{3YJHKBGEFWBQZ73PWPQXULNRH3}

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.

Cited by

1 paper in Pith

Purely Electric, Magnetic, and Dyonic Black Holes in Einstein-Euler-Heisenberg Theory

Receipt and verification

First computed	2026-05-17T23:54:16.433301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de127504c42d830cff6fb3e17a2db13edf8c070c2c07c14192181d4cdf19bde8

Aliases

arxiv: 1805.12362 · arxiv_version: 1805.12362v2 · doi: 10.48550/arxiv.1805.12362 · pith_short_12: 3YJHKBGEFWBQ · pith_short_16: 3YJHKBGEFWBQZ73P · pith_short_8: 3YJHKBGE

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/3YJHKBGEFWBQZ73PWPQXULNRH3 \
  | 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: de127504c42d830cff6fb3e17a2db13edf8c070c2c07c14192181d4cdf19bde8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1914c04527feda96638818cc83781c50ce62e955be950e118df3403f9ae6342",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-31T07:48:15Z",
    "title_canon_sha256": "afda124947584a482a9a1fbb90f422512165a6429b48e609bfc12d505b469443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12362",
    "kind": "arxiv",
    "version": 2
  }
}