Pith Number

pith:NU6TDDFT

pith:2017:NU6TDDFTDDZBQMPFWBIIOZKUNH

not attested not anchored not stored refs pending

Static trace free Einstein equations and stellar distributions

George Ellis, Njabulo Mkhize, Rituparno Goswami, Sudan Hansraj

arxiv:1703.06326 v2 · 2017-03-18 · 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{NU6TDDFTDDZBQMPFWBIIOZKUNH}

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	2026-05-18T00:37:34.158503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3d318cb318f21831e5b05087655469e191479803c201dfd4ea24abcdba1579

Aliases

arxiv: 1703.06326 · arxiv_version: 1703.06326v2 · doi: 10.48550/arxiv.1703.06326 · pith_short_12: NU6TDDFTDDZB · pith_short_16: NU6TDDFTDDZBQMPF · pith_short_8: NU6TDDFT

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/NU6TDDFTDDZBQMPFWBIIOZKUNH \
  | 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: 6d3d318cb318f21831e5b05087655469e191479803c201dfd4ea24abcdba1579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6421634e80f29d754b25403cf5ef5a6140ba7733643c7cd4857350de06a4ac0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-18T18:11:47Z",
    "title_canon_sha256": "d2068f9fa61ef3a32d6864579eaa87e124de9ccc837f6d239dce1f0a1d2cc722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06326",
    "kind": "arxiv",
    "version": 2
  }
}