Pith Number

pith:ZZMNEFEH

pith:2012:ZZMNEFEHFGJ5YWC36ABG52EFPG

not attested not anchored not stored refs pending

Exact radial solution in 2+1 gravity with a real scalar field

D. Singleton, H.-J. Schmidt

arxiv:1212.1285 v2 · 2012-12-06 · 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{ZZMNEFEHFGJ5YWC36ABG52EFPG}

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	2026-05-18T03:28:42.242151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce58d214872993dc585bf0026ee885799ad15d8700c3aa203a8d5370bc7a43e3

Aliases

arxiv: 1212.1285 · arxiv_version: 1212.1285v2 · doi: 10.48550/arxiv.1212.1285 · pith_short_12: ZZMNEFEHFGJ5 · pith_short_16: ZZMNEFEHFGJ5YWC3 · pith_short_8: ZZMNEFEH

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/ZZMNEFEHFGJ5YWC36ABG52EFPG \
  | 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: ce58d214872993dc585bf0026ee885799ad15d8700c3aa203a8d5370bc7a43e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2cd187c43b3a0f0b39bf5c2bd41a1234fa847abf6c41f01bd617851d29ea41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-06T10:58:45Z",
    "title_canon_sha256": "c87414e98a2806e7883778c3621bb5ad11e5f715ceb9cfac7cc6870d9be0d2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1285",
    "kind": "arxiv",
    "version": 2
  }
}