Pith Number

pith:RBCCGC7D

pith:2013:RBCCGC7DJS5GDJ7C2DOQZKY2P6

not attested not anchored not stored refs pending

Homologies of moduli space $\mathcal{M}_{2,1}$

Yury Kochetkov

arxiv:1301.6059 v1 · 2013-01-25 · math.CO · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBCCGC7DJS5GDJ7C2DOQZKY2P6}

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	2026-05-18T03:35:27.227880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8844230be34cba61a7e2d0dd0cab1a7f9596bae799dfe7804d2ed622457ccb8b

Aliases

arxiv: 1301.6059 · arxiv_version: 1301.6059v1 · doi: 10.48550/arxiv.1301.6059 · pith_short_12: RBCCGC7DJS5G · pith_short_16: RBCCGC7DJS5GDJ7C · pith_short_8: RBCCGC7D

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/RBCCGC7DJS5GDJ7C2DOQZKY2P6 \
  | 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: 8844230be34cba61a7e2d0dd0cab1a7f9596bae799dfe7804d2ed622457ccb8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743e79458f9f401940bc019cf5ea00a911e2d621f95f749145c7340a29b63f22",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-25T15:10:03Z",
    "title_canon_sha256": "ccfc6af48e8f81cf96abfb2761708a9a6365e17ab5bbcecc2035bc238691e0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6059",
    "kind": "arxiv",
    "version": 1
  }
}