Pith Number

pith:ODC57IKN

pith:2011:ODC57IKNCLGEJ6RJXLIOMR6B4N

not attested not anchored not stored refs pending

The tautological ring of the moduli space M_{2,n}^rt

Mehdi Tavakol

arxiv:1101.5242 v1 · 2011-01-27 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODC57IKNCLGEJ6RJXLIOMR6B4N}

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	2026-05-18T00:45:05.013583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70c5dfa14d12cc44fa29bad0e647c1e3640bf0478165680b7d9b01fb939497b2

Aliases

arxiv: 1101.5242 · arxiv_version: 1101.5242v1 · doi: 10.48550/arxiv.1101.5242 · pith_short_12: ODC57IKNCLGE · pith_short_16: ODC57IKNCLGEJ6RJ · pith_short_8: ODC57IKN

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/ODC57IKNCLGEJ6RJXLIOMR6B4N \
  | 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: 70c5dfa14d12cc44fa29bad0e647c1e3640bf0478165680b7d9b01fb939497b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561c7bace65991e9892839c1d9b5846f572e093fb7d088677b6301089d003dee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-01-27T10:03:25Z",
    "title_canon_sha256": "c1e4a858a7b37e6709d5658db8736b9c60289f299acea91ba610d4e607f697ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5242",
    "kind": "arxiv",
    "version": 1
  }
}