Pith Number

pith:FGNDJOA5

pith:1995:FGNDJOA5XYV2T4S2ZSFVUO75IU

not attested not anchored not stored refs pending

The Choptuik spacetime as an eigenvalue problem

Carsten Gundlach

arxiv:gr-qc/9507054 v2 · 1995-07-27 · 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{FGNDJOA5XYV2T4S2ZSFVUO75IU}

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

4 papers in Pith

Quantum fate of the Choptuik naked singularity

Unveiling horizons in quantum critical collapse

Critical spacetime crystals in continuous dimensions

Unveiling horizons in quantum critical collapse

Receipt and verification

First computed	2026-07-04T15:58:50.029284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299a34b81dbe2ba9f25acc8b5a3bfd45376b8de4b5c09e5559ff03480e93c0a2

Aliases

arxiv: gr-qc/9507054 · arxiv_version: gr-qc/9507054v2 · doi: 10.48550/arxiv.gr-qc/9507054 · pith_short_12: FGNDJOA5XYV2 · pith_short_16: FGNDJOA5XYV2T4S2 · pith_short_8: FGNDJOA5

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/FGNDJOA5XYV2T4S2ZSFVUO75IU \
  | 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: 299a34b81dbe2ba9f25acc8b5a3bfd45376b8de4b5c09e5559ff03480e93c0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fdd0c32051c9c1c15da9e98e791a610a6f1561be7f0142571a6ba0a025f9054",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-07-27T14:50:33Z",
    "title_canon_sha256": "c8ad7468de4e3da6bd7d37672b567b046a109e0835998c3fd4042cc7e346e1a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9507054",
    "kind": "arxiv",
    "version": 2
  }
}