Pith Number

pith:PW45ADUD

pith:2017:PW45ADUDFGZHT4GZOONORGHXFZ

not attested not anchored not stored refs pending

Fixed mesh refinement in the characteristic formulation of General Relativity

B. Rodriguez-Mueller, H. P. de Oliveira, W. Barreto

arxiv:1707.04938 v1 · 2017-07-16 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PW45ADUDFGZHT4GZOONORGHXFZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:39:25.379014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db9d00e8329b279f0d9739ae898f72e5dd3e757f7bbec41502035da44049777

Aliases

arxiv: 1707.04938 · arxiv_version: 1707.04938v1 · doi: 10.48550/arxiv.1707.04938 · pith_short_12: PW45ADUDFGZH · pith_short_16: PW45ADUDFGZHT4GZ · pith_short_8: PW45ADUD

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/PW45ADUDFGZHT4GZOONORGHXFZ \
  | 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: 7db9d00e8329b279f0d9739ae898f72e5dd3e757f7bbec41502035da44049777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71fe6501d07c324ae3b83143c93e630bb0aad59bc12b562d9ea62bb5a74a7813",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-16T19:45:30Z",
    "title_canon_sha256": "f77cadde9dce93dd0d1be232ab191f5a2f21c473cd44f3df063257859a52d952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04938",
    "kind": "arxiv",
    "version": 1
  }
}