Pith Number

pith:WXZXZP2P

pith:2010:WXZXZP2PDL7BOVQAXBKK6FLKPR

not attested not anchored not stored refs pending

A Canonical Trace Associated with Certain Spectral Triples

Sylvie Paycha

arxiv:1003.1210 v2 · 2010-03-05 · math.OA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXZXZP2PDL7BOVQAXBKK6FLKPR}

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	2026-05-18T04:40:09.401410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f37cbf4f1afe175600b854af156a7c5a34317b97fd73a243a0d29d973085f3

Aliases

arxiv: 1003.1210 · arxiv_version: 1003.1210v2 · doi: 10.48550/arxiv.1003.1210 · pith_short_12: WXZXZP2PDL7B · pith_short_16: WXZXZP2PDL7BOVQA · pith_short_8: WXZXZP2P

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/WXZXZP2PDL7BOVQAXBKK6FLKPR \
  | 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: b5f37cbf4f1afe175600b854af156a7c5a34317b97fd73a243a0d29d973085f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe57e5e8311a86bf8844309158c3813bb5af211be374902088ffd531f3318f72",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-03-05T08:55:13Z",
    "title_canon_sha256": "c51d1b284e9fd6956fd3e9b8ed3725c6b516b1ce19e6ecf8762ac9c0c056a6bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1210",
    "kind": "arxiv",
    "version": 2
  }
}