Pith Number

pith:E7HPYDEZ

pith:2020:E7HPYDEZUSSWU3OBWALYC73VQX

not attested not anchored not stored refs pending

Accretion disks around naked singularities

Jun-Qi Guo, Lin Zhang, Pankaj S. Joshi, Ramesh Narayan

arxiv:2011.06154 v1 · 2020-11-12 · 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{E7HPYDEZUSSWU3OBWALYC73VQX}

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	2026-07-05T02:02:56.970871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27cefc0c99a4a56a6dc1b017817f7585e31238a9f52e7929e991e2d1b0532935

Aliases

arxiv: 2011.06154 · arxiv_version: 2011.06154v1 · doi: 10.48550/arxiv.2011.06154 · pith_short_12: E7HPYDEZUSSW · pith_short_16: E7HPYDEZUSSWU3OB · pith_short_8: E7HPYDEZ

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/E7HPYDEZUSSWU3OBWALYC73VQX \
  | 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: 27cefc0c99a4a56a6dc1b017817f7585e31238a9f52e7929e991e2d1b0532935

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3a6affcd150ef092c3fd3f361806e7e44a347e3f15b1011512cbfa981dfa9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-11-12T01:40:38Z",
    "title_canon_sha256": "7bd928d936cdf4c40c0f0a4a611360e4c159c90aba406abfb82b1b56c1a61ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06154",
    "kind": "arxiv",
    "version": 1
  }
}