Pith Number

pith:DOUE67XP

pith:2012:DOUE67XPM226VWB3OR44IDX2HO

not attested not anchored not stored refs pending

Ultrarelativistic black hole formation

Frans Pretorius, William E. East

arxiv:1210.0443 v2 · 2012-10-01 · gr-qc · astro-ph.HE · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOUE67XPM226VWB3OR44IDX2HO}

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

Trapping, Irregular Waveforms, and Efficient Radiation in Ultra-relativistic Black Hole Encounters

Receipt and verification

First computed	2026-05-18T03:31:33.791419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba84f7eef66b5ead83b7479c40efa3b897420eaeb204a8c24c0a9cfcda3d2ba

Aliases

arxiv: 1210.0443 · arxiv_version: 1210.0443v2 · doi: 10.48550/arxiv.1210.0443 · pith_short_12: DOUE67XPM226 · pith_short_16: DOUE67XPM226VWB3 · pith_short_8: DOUE67XP

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/DOUE67XPM226VWB3OR44IDX2HO \
  | 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: 1ba84f7eef66b5ead83b7479c40efa3b897420eaeb204a8c24c0a9cfcda3d2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eabb429b6d4c6cb90e9bbf371bf818389d3df9fd0612c227dedb7ab098bb08e",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-10-01T15:42:31Z",
    "title_canon_sha256": "09d51fc200c8aa2ea11c1957d8349f6bf49a5c2cff9fcd6018c6c532dae2d6aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0443",
    "kind": "arxiv",
    "version": 2
  }
}