Pith Number

pith:3NIDQESZ

pith:2010:3NIDQESZDI5D6HZN23ZZ2UJ45B

not attested not anchored not stored refs pending

The Initial-Boundary Value Problem in General Relativity

Olivier Sarbach, Oscar Reula

arxiv:1009.0589 v1 · 2010-09-03 · 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{3NIDQESZDI5D6HZN23ZZ2UJ45B}

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	2026-05-18T04:21:22.698641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db503812591a3a3f1f2dd6f39d513ce8484b5965babbac89cb01de2530b8500e

Aliases

arxiv: 1009.0589 · arxiv_version: 1009.0589v1 · doi: 10.48550/arxiv.1009.0589 · pith_short_12: 3NIDQESZDI5D · pith_short_16: 3NIDQESZDI5D6HZN · pith_short_8: 3NIDQESZ

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/3NIDQESZDI5D6HZN23ZZ2UJ45B \
  | 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: db503812591a3a3f1f2dd6f39d513ce8484b5965babbac89cb01de2530b8500e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6152542b6e13ebc99a4d00861a88ad32cac4045313ea31ccde3f2a48be99e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-03T05:25:46Z",
    "title_canon_sha256": "673332f68e2d8b7d5e1757861af9c828aa0c100ad626c4fa15759a30e874e64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0589",
    "kind": "arxiv",
    "version": 1
  }
}