Pith Number

pith:NJNO2QSD

pith:2014:NJNO2QSDUGEQTB4MTEFAO4IESJ

not attested not anchored not stored refs pending

Mathematical Properties of a Class of Four-dimensional Neutral Signature Metrics

A. Coley, D. Brooks, D. McNutt, N. Musoke

arxiv:1401.2115 v6 · 2014-01-09 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJNO2QSDUGEQTB4MTEFAO4IESJ}

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	2026-05-18T01:25:08.770485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5aed4243a18909878c990a07710492400aa883048caa473d4cbe7425b23d6c

Aliases

arxiv: 1401.2115 · arxiv_version: 1401.2115v6 · doi: 10.48550/arxiv.1401.2115 · pith_short_12: NJNO2QSDUGEQ · pith_short_16: NJNO2QSDUGEQTB4M · pith_short_8: NJNO2QSD

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/NJNO2QSDUGEQTB4MTEFAO4IESJ \
  | 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: 6a5aed4243a18909878c990a07710492400aa883048caa473d4cbe7425b23d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9170a0956a5b4f6a9445ed909c0039e5e309711b5b95c64bc3f0b53d875d1e85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-01-09T18:55:42Z",
    "title_canon_sha256": "2a404f9a976c47ae3e565e9c347f53dbebc410fb3aa5d8881dc699c5efcd7d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2115",
    "kind": "arxiv",
    "version": 6
  }
}