Pith Number

pith:ZPLQF3XA

pith:2001:ZPLQF3XAAVSBNJNUYKNB74AMXB

not attested not anchored not stored refs pending

Singularity avoidance by collapsing shells in quantum gravity

Claus Kiefer, Petr Hajicek

arxiv:gr-qc/0107102 v1 · 2001-07-31 · 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{ZPLQF3XAAVSBNJNUYKNB74AMXB}

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

Regular black holes from thin-shell collapse

Receipt and verification

First computed	2026-07-04T16:26:56.502872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd702eee0056416a5b4c29a1ff00cb8597f83af44f5fd77b8941c6c8d0352e3

Aliases

arxiv: gr-qc/0107102 · arxiv_version: gr-qc/0107102v1 · doi: 10.48550/arxiv.gr-qc/0107102 · pith_short_12: ZPLQF3XAAVSB · pith_short_16: ZPLQF3XAAVSBNJNU · pith_short_8: ZPLQF3XA

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/ZPLQF3XAAVSBNJNUYKNB74AMXB \
  | 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: cbd702eee0056416a5b4c29a1ff00cb8597f83af44f5fd77b8941c6c8d0352e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96db8a0a8b52991e6825d158770a0dc3f4a2f3ec614bfb2f83794cdc0832cf8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-07-31T10:28:36Z",
    "title_canon_sha256": "76fb1bd71a94373a538f5eb28d6da82ce10511eb0d2de500c4bba2e2869ff74e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0107102",
    "kind": "arxiv",
    "version": 1
  }
}