Pith Number

pith:VTCXE5DQ

pith:2011:VTCXE5DQHKZVWV5S2N6YHVWXAX

not attested not anchored not stored refs pending

Quadratic differentials and equivariant deformation theory of curves

Aristides Kontogeorgis, Bernhard K\"ock

arxiv:1104.3539 v1 · 2011-04-18 · 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{VTCXE5DQHKZVWV5S2N6YHVWXAX}

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	2026-05-18T04:24:04.536030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc57274703ab35b57b2d37d83d6d705c2bfab48e2e7939f252514a0f30120cc

Aliases

arxiv: 1104.3539 · arxiv_version: 1104.3539v1 · doi: 10.48550/arxiv.1104.3539 · pith_short_12: VTCXE5DQHKZV · pith_short_16: VTCXE5DQHKZVWV5S · pith_short_8: VTCXE5DQ

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/VTCXE5DQHKZVWV5S2N6YHVWXAX \
  | 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: acc57274703ab35b57b2d37d83d6d705c2bfab48e2e7939f252514a0f30120cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae22bfba97b79926886fd4914db0cc84b8ecbe6876214cdcee74b9443dc27fb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-18T16:48:16Z",
    "title_canon_sha256": "0bccf47ce8771fad0b5ca87e8a07674a8d757ff884dc825517c56c8386b4d815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3539",
    "kind": "arxiv",
    "version": 1
  }
}