Pith Number

pith:QC4POUMR

pith:2005:QC4POUMRY3KCFEVV4IFREAVLR7

not attested not anchored not stored refs pending

Production and decay of evolving horizons

Alex B. Nielsen (University of Canterbury), Matt Visser (Victoria University of Wellington)

arxiv:gr-qc/0510083 v3 · 2005-10-18 · 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{QC4POUMRY3KCFEVV4IFREAVLR7}

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

2 papers in Pith

Photon spheres in dynamical space-times

Cosmological Black hole Candidates: A Detailed Analysis of McVittie, Culetu, Sultana-Dyer, and Glass-Mashhoon Spacetimes

Receipt and verification

First computed	2026-07-04T16:55:18.948129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b8f75191c6d42292b5e20b1202ab8fe42768f2d9ec7669c5601772c578dfd5

Aliases

arxiv: gr-qc/0510083 · arxiv_version: gr-qc/0510083v3 · doi: 10.48550/arxiv.gr-qc/0510083 · pith_short_12: QC4POUMRY3KC · pith_short_16: QC4POUMRY3KCFEVV · pith_short_8: QC4POUMR

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/QC4POUMRY3KCFEVV4IFREAVLR7 \
  | 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: 80b8f75191c6d42292b5e20b1202ab8fe42768f2d9ec7669c5601772c578dfd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1928130b427a7bdd1747f296e36693d20d11e01077b5430e3950e83edda2282d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-10-18T03:10:58Z",
    "title_canon_sha256": "0043c5beae6a32c827abb9e26712c9d3dce60428ba495a8512a8ee578dd10cda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0510083",
    "kind": "arxiv",
    "version": 3
  }
}