Pith Number

pith:G6IYOD2R

pith:2009:G6IYOD2RQMFMGHZZL7MFEWPUDH

not attested not anchored not stored refs pending

Conformal structures with $G_{2(2)}$-ambient metrics

Pawel Nurowski, Thomas Leistner

arxiv:0904.0186 v3 · 2009-04-01 · 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{G6IYOD2RQMFMGHZZL7MFEWPUDH}

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	2026-05-18T03:48:59.430956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3791870f51830ac31f395fd85259f419c68b6ddd3522ad755c3e7e80e729304b

Aliases

arxiv: 0904.0186 · arxiv_version: 0904.0186v3 · doi: 10.48550/arxiv.0904.0186 · pith_short_12: G6IYOD2RQMFM · pith_short_16: G6IYOD2RQMFMGHZZ · pith_short_8: G6IYOD2R

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/G6IYOD2RQMFMGHZZL7MFEWPUDH \
  | 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: 3791870f51830ac31f395fd85259f419c68b6ddd3522ad755c3e7e80e729304b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9621d8bdd8e5bed8af39aaee2879592c90af42dc4d2cc1776f710a4a4304680e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-04-01T15:28:46Z",
    "title_canon_sha256": "315aab87e9310124f9bc950b62a09573753c0a70f05d731514f11c3d715743d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0186",
    "kind": "arxiv",
    "version": 3
  }
}