Pith. sign in
Pith Number

pith:ICC6XPJG

pith:1999:ICC6XPJGLO74EJLHTV7G7T25LH
not attested not anchored not stored refs pending

Noncommutative Geometry for Pedestrians

J. Madore

arxiv:gr-qc/9906059 v2 · 1999-06-16 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ICC6XPJGLO74EJLHTV7G7T25LH}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T14:26:16.895843Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4085ebbd265bbfc225679d7e6fcf5d59e18acbd67f9273523917f9dbd93fdea6

Aliases

arxiv: gr-qc/9906059 · arxiv_version: gr-qc/9906059v2 · doi: 10.48550/arxiv.gr-qc/9906059 · pith_short_12: ICC6XPJGLO74 · pith_short_16: ICC6XPJGLO74EJLH · pith_short_8: ICC6XPJG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ICC6XPJGLO74EJLHTV7G7T25LH \
  | 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: 4085ebbd265bbfc225679d7e6fcf5d59e18acbd67f9273523917f9dbd93fdea6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "49de6c0747333e03d72c5d87cca8ffefb9a5cd4d5a499c783dd208d48f62f734",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-16T09:38:45Z",
    "title_canon_sha256": "a201e80e7e33af0b2a5a9295db93c1a5ad6ad24ada63a03dab1a6258b61c9ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906059",
    "kind": "arxiv",
    "version": 2
  }
}