Pith Number

pith:ZXCEE7C5

pith:2002:ZXCEE7C5XERFX54IVEXCJJ5NHI

not attested not anchored not stored refs pending

Constructing Solutions of the Einstein Constraint Equations

James Isenberg

arxiv:gr-qc/0203044 v1 · 2002-03-13 · 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{ZXCEE7C5XERFX54IVEXCJJ5NHI}

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	2026-05-18T00:37:16.704991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc4427c5db9225bf788a92e24a7ad3a3ae7545794850b058461f597163a65f5

Aliases

arxiv: gr-qc/0203044 · arxiv_version: gr-qc/0203044v1 · doi: 10.48550/arxiv.gr-qc/0203044 · pith_short_12: ZXCEE7C5XERF · pith_short_16: ZXCEE7C5XERFX54I · pith_short_8: ZXCEE7C5

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/ZXCEE7C5XERFX54IVEXCJJ5NHI \
  | 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: cdc4427c5db9225bf788a92e24a7ad3a3ae7545794850b058461f597163a65f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12fc612903284ceb312c5d1113cc78f0acb98c3f33069c972a3945fbcb2872b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-03-13T04:07:04Z",
    "title_canon_sha256": "2a79195166d7760a8f335693299308b57455c327b56ddaad845a650c4d00d407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0203044",
    "kind": "arxiv",
    "version": 1
  }
}