Pith Number

pith:7PZB7FN2

pith:2012:7PZB7FN2KJWJUAD67XIRIXBCK4

not attested not anchored not stored refs pending

Exact relativistic models of thin disks around static black holes in a magnetic field

Antonio C. Guti\'errez-Pi\~neres, Gonzalo Garc\'ia-Reyes, Guillermo A. Gonz\'alez

arxiv:1209.0500 v4 · 2012-09-03 · 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{7PZB7FN2KJWJUAD67XIRIXBCK4}

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	2026-05-18T03:05:26.372922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf21f95ba526c9a007efdd1145c225716fa5f42e8c4b2678be1272be38db941

Aliases

arxiv: 1209.0500 · arxiv_version: 1209.0500v4 · doi: 10.48550/arxiv.1209.0500 · pith_short_12: 7PZB7FN2KJWJ · pith_short_16: 7PZB7FN2KJWJUAD6 · pith_short_8: 7PZB7FN2

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/7PZB7FN2KJWJUAD67XIRIXBCK4 \
  | 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: fbf21f95ba526c9a007efdd1145c225716fa5f42e8c4b2678be1272be38db941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549b40c79649053fe94805c29a10727b719f80317ec08a91e56132bc72c11e4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-03T23:16:45Z",
    "title_canon_sha256": "efc32f054a7fa610963bb3078468cdb3d884b0b9171f2aaaca9088c1f465ab73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0500",
    "kind": "arxiv",
    "version": 4
  }
}