Pith Number

pith:UMSTLR5C

pith:2008:UMSTLR5CMVD6CEOM4T7RHPZRUT

not attested not anchored not stored refs pending

NADA: A new code for studying self-gravitating tori around black holes

Jose A. Font, Masaru Shibata, Pedro J. Montero

arxiv:0805.3099 v2 · 2008-05-20 · 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{UMSTLR5CMVD6CEOM4T7RHPZRUT}

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	2026-07-04T15:38:22.489443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a32535c7a26547e111cce4ff13bf31a4fde618a264fdc877b7e2efac04c386ec

Aliases

arxiv: 0805.3099 · arxiv_version: 0805.3099v2 · doi: 10.48550/arxiv.0805.3099 · pith_short_12: UMSTLR5CMVD6 · pith_short_16: UMSTLR5CMVD6CEOM · pith_short_8: UMSTLR5C

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/UMSTLR5CMVD6CEOM4T7RHPZRUT \
  | 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: a32535c7a26547e111cce4ff13bf31a4fde618a264fdc877b7e2efac04c386ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc57dfa62efcf2efc206820b5298f79d31d2e4235dcbc593c2c7c904c839189",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-05-20T15:09:30Z",
    "title_canon_sha256": "8393be8ac129f55e7f739767bfa3c255baeb1981df6838a8887e0e5b99aa448f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3099",
    "kind": "arxiv",
    "version": 2
  }
}