Pith Number

pith:Y2WY7R3L

pith:2020:Y2WY7R3LBAWRNGCMR64RZZ2J7Y

not attested not anchored not stored refs pending

Strength of the naked singularity in critical collapse

Hongsheng Zhang, Jun-Qi Guo, Lin Zhang, Pankaj S. Joshi, Yuewen Chen

arxiv:2011.06792 v1 · 2020-11-13 · 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{Y2WY7R3LBAWRNGCMR64RZZ2J7Y}

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	2026-07-05T01:51:25.034916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6ad8fc76b082d16984c8fb91ce749fe3b4063b2fa7a642abd48fd916a9241d8

Aliases

arxiv: 2011.06792 · arxiv_version: 2011.06792v1 · doi: 10.48550/arxiv.2011.06792 · pith_short_12: Y2WY7R3LBAWR · pith_short_16: Y2WY7R3LBAWRNGCM · pith_short_8: Y2WY7R3L

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/Y2WY7R3LBAWRNGCMR64RZZ2J7Y \
  | 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: c6ad8fc76b082d16984c8fb91ce749fe3b4063b2fa7a642abd48fd916a9241d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb8bd921c3adfd909d093b6067f453c019f00ce7dee48ba4c3bdfc240c07976a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-11-13T07:17:02Z",
    "title_canon_sha256": "0ffadf76c671278bc345c92da4c65872fe790e846016f95e548935b237a4b705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06792",
    "kind": "arxiv",
    "version": 1
  }
}