Pith Number

pith:KOQALGOF

pith:2006:KOQALGOFQHHGEPS7VROW635IXP

not attested not anchored not stored refs pending

Discrete Connection Laplacians

Svetoslav Zahariev

arxiv:math/0609464 v4 · 2006-09-16 · math.SP · 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{KOQALGOFQHHGEPS7VROW635IXP}

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	2026-05-18T01:20:12.811489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a00599c581ce623e5fac5d6f6fa8bbd853372e9f5b12ea73317ed9772e441f

Aliases

arxiv: math/0609464 · arxiv_version: math/0609464v4 · doi: 10.48550/arxiv.math/0609464 · pith_short_12: KOQALGOFQHHG · pith_short_16: KOQALGOFQHHGEPS7 · pith_short_8: KOQALGOF

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/KOQALGOFQHHGEPS7VROW635IXP \
  | 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: 53a00599c581ce623e5fac5d6f6fa8bbd853372e9f5b12ea73317ed9772e441f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67422710086fe948988384d8e17012d8f3f87c0ca0ca58b49043531f9f677d0e",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.SP",
    "submitted_at": "2006-09-16T17:25:36Z",
    "title_canon_sha256": "e9e0c5fdb91bd6b3ceeec2bdbd161607e43000e9294073196be4f0933d2dd125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0609464",
    "kind": "arxiv",
    "version": 4
  }
}