Pith Number

pith:N55VQDGA

pith:2019:N55VQDGAGJHDTVS4WAWOUOCHCM

not attested not anchored not stored refs pending

Bounded deformations of $(\epsilon,\delta)$-log canonical singularities

Jihao Liu, Jingjun Han, Joaqu\'in Moraga

arxiv:1903.07202 v1 · 2019-03-17 · 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{N55VQDGAGJHDTVS4WAWOUOCHCM}

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	2026-05-17T23:51:03.954653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7b580cc0324e39d65cb02cea384713189ecc23def1d9d77d8b7a048616d771

Aliases

arxiv: 1903.07202 · arxiv_version: 1903.07202v1 · doi: 10.48550/arxiv.1903.07202 · pith_short_12: N55VQDGAGJHD · pith_short_16: N55VQDGAGJHDTVS4 · pith_short_8: N55VQDGA

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/N55VQDGAGJHDTVS4WAWOUOCHCM \
  | 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: 6f7b580cc0324e39d65cb02cea384713189ecc23def1d9d77d8b7a048616d771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95984a92180b9d21e7675f462134ac54b972ca3c1a723b18d0800d3d49bdeb90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-03-17T23:51:44Z",
    "title_canon_sha256": "67f545356737a5e38bdad93490b0746ded83f1a166386480094d98dc03762649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07202",
    "kind": "arxiv",
    "version": 1
  }
}