Pith Number

pith:45ETUACV

pith:2012:45ETUACVOWVHCSEWN6MRN7PAVS

not attested not anchored not stored refs pending

Collapse of spherical charged anisotropic fluid spacetimes

F. Cipolletta, R. Giamb\`o

arxiv:1208.0804 v2 · 2012-08-03 · 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{45ETUACVOWVHCSEWN6MRN7PAVS}

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	2026-05-18T01:55:23.234842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7493a005575aa7148966f9916fde0acb351aaf50044a78949c7d1dee0083582

Aliases

arxiv: 1208.0804 · arxiv_version: 1208.0804v2 · doi: 10.48550/arxiv.1208.0804 · pith_short_12: 45ETUACVOWVH · pith_short_16: 45ETUACVOWVHCSEW · pith_short_8: 45ETUACV

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/45ETUACVOWVHCSEWN6MRN7PAVS \
  | 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: e7493a005575aa7148966f9916fde0acb351aaf50044a78949c7d1dee0083582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860963a3cd200dbd8a11c26b9223badb3f81e790b9187e9d832bfea9047a57ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-03T17:43:12Z",
    "title_canon_sha256": "411dbb8ad67f257247c2d8c723ba168f3cd1655a6c24a898a605a7a03ff0dae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0804",
    "kind": "arxiv",
    "version": 2
  }
}