Pith Number

pith:M6RQBAHI

pith:2009:M6RQBAHIQ5HNCILT2QEZ7UHQW7

not attested not anchored not stored refs pending

Multi-Time KCC-Invariants

Mircea Neagu

arxiv:0908.0097 v2 · 2009-08-01 · 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{M6RQBAHIQ5HNCILT2QEZ7UHQW7}

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	2026-05-18T03:20:20.977667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67a30080e8874ed12173d4099fd0f0b7cf66bd16e509be5c1018c5ad38e65c0e

Aliases

arxiv: 0908.0097 · arxiv_version: 0908.0097v2 · doi: 10.48550/arxiv.0908.0097 · pith_short_12: M6RQBAHIQ5HN · pith_short_16: M6RQBAHIQ5HNCILT · pith_short_8: M6RQBAHI

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/M6RQBAHIQ5HNCILT2QEZ7UHQW7 \
  | 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: 67a30080e8874ed12173d4099fd0f0b7cf66bd16e509be5c1018c5ad38e65c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d409cdaf08de0f7ec4113e6859a5fdc3478c8e63a551c5d43ca39013b0809ff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-08-01T19:57:41Z",
    "title_canon_sha256": "f1f5e46e37a94675cf5f9ccdb3c080cebb94479991e1469fff8429cdf6338287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0097",
    "kind": "arxiv",
    "version": 2
  }
}