Pith Number

pith:PZ7K7CHI

pith:2013:PZ7K7CHIU5DMJKUXYTGLRVFPI5

not attested not anchored not stored refs pending

Fermions Tunneling from Plebanski-Demianski Black Holes

M. Sharif, Wajiha Javed

arxiv:1309.6384 v1 · 2013-09-25 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZ7K7CHIU5DMJKUXYTGLRVFPI5}

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	2026-05-18T01:47:27.031757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e7eaf88e8a746c4aa97c4ccb8d4af4763e251f2c3786d51a86e73f368d1a070

Aliases

arxiv: 1309.6384 · arxiv_version: 1309.6384v1 · doi: 10.48550/arxiv.1309.6384 · pith_short_12: PZ7K7CHIU5DM · pith_short_16: PZ7K7CHIU5DMJKUX · pith_short_8: PZ7K7CHI

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/PZ7K7CHIU5DMJKUXYTGLRVFPI5 \
  | 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: 7e7eaf88e8a746c4aa97c4ccb8d4af4763e251f2c3786d51a86e73f368d1a070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e052070c942beb60657d51eb132d2460ee57f8ececea5fdd625d1b0e8d7ec3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-25T02:40:28Z",
    "title_canon_sha256": "970fd52df534c07135d96360c3ded792fd3f294e3e3bdbaf522022dec6c0808b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6384",
    "kind": "arxiv",
    "version": 1
  }
}