Pith Number

pith:IONMXLLX

pith:2009:IONMXLLXSVG7HDFMAFJ53AQCVY

not attested not anchored not stored refs pending

The fundamental form of almost-quaternionic Hermitian manifolds

Liana David

arxiv:0904.4930 v3 · 2009-04-30 · 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{IONMXLLXSVG7HDFMAFJ53AQCVY}

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	2026-05-18T02:13:48.634454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

439acbad77954df38cac0153dd8202ae0ea3197bdf378cbc6b8526dc7bf4d666

Aliases

arxiv: 0904.4930 · arxiv_version: 0904.4930v3 · doi: 10.48550/arxiv.0904.4930 · pith_short_12: IONMXLLXSVG7 · pith_short_16: IONMXLLXSVG7HDFM · pith_short_8: IONMXLLX

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/IONMXLLXSVG7HDFMAFJ53AQCVY \
  | 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: 439acbad77954df38cac0153dd8202ae0ea3197bdf378cbc6b8526dc7bf4d666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9def73ae8dab3b4917b7cefaedc3fa452ce609fc98cd3be55005c5517cf91032",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-04-30T19:46:54Z",
    "title_canon_sha256": "9910f6919a39cec84df1c28961bf47d9db3168187470ee87fd265cd45e13215d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4930",
    "kind": "arxiv",
    "version": 3
  }
}