Pith Number

pith:QSBYI7M2

pith:2013:QSBYI7M2UUJ6SZEAX26TFNPOEF

not attested not anchored not stored refs pending

The tautological ring of the space of pointed genus two curves of compact type

Dan Petersen

arxiv:1310.7369 v4 · 2013-10-28 · 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{QSBYI7M2UUJ6SZEAX26TFNPOEF}

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	2026-05-17T23:53:14.994809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8483847d9aa513e96480bebd32b5ee216f7aa86e96eae498132161bd37fc7087

Aliases

arxiv: 1310.7369 · arxiv_version: 1310.7369v4 · doi: 10.48550/arxiv.1310.7369 · pith_short_12: QSBYI7M2UUJ6 · pith_short_16: QSBYI7M2UUJ6SZEA · pith_short_8: QSBYI7M2

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/QSBYI7M2UUJ6SZEAX26TFNPOEF \
  | 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: 8483847d9aa513e96480bebd32b5ee216f7aa86e96eae498132161bd37fc7087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb9f64aac1fa60f0917c11ba7156fa52338faa47cce2b91b1ec71c820369b897",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-28T10:39:56Z",
    "title_canon_sha256": "69ef098aae613009a4fefee1a07b1ac1b7633888047218e149aa96e0a4086c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7369",
    "kind": "arxiv",
    "version": 4
  }
}