Pith Number

pith:QHMPYUME

pith:2010:QHMPYUMEC6ZIQVVVRWWBHLTWTW

not attested not anchored not stored refs pending

Quantum singularities in (2+1) dimensional matter coupled black hole spacetimes

O. Gurtug, O. Unver

arxiv:1004.2572 v3 · 2010-04-15 · 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{QHMPYUMEC6ZIQVVVRWWBHLTWTW}

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	2026-05-18T02:33:34.243186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d8fc518417b28856b58dac13ae769d91492812c84cfdeddf10d9ddc8afff6b

Aliases

arxiv: 1004.2572 · arxiv_version: 1004.2572v3 · doi: 10.48550/arxiv.1004.2572 · pith_short_12: QHMPYUMEC6ZI · pith_short_16: QHMPYUMEC6ZIQVVV · pith_short_8: QHMPYUME

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/QHMPYUMEC6ZIQVVVRWWBHLTWTW \
  | 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: 81d8fc518417b28856b58dac13ae769d91492812c84cfdeddf10d9ddc8afff6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a27b0104d399ea12de85fdd7a200466c484cec821ea8b9c16ec5cebd1e4ca98d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-15T08:02:49Z",
    "title_canon_sha256": "b822a157728e51f943c1f4676c32f3b8521ccd2cd05018fb77e4f4cf77baaf8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2572",
    "kind": "arxiv",
    "version": 3
  }
}