Pith Number

pith:FLOR3NXS

pith:2018:FLOR3NXST3P6TTZQKSWVLEV4QJ

not attested not anchored not stored refs pending

Invariants of deformations of quotient surface singularities

Byoungcheon Han, Dongsoo Shin, Jaekwan Jeon

arxiv:1803.00142 v1 · 2018-03-01 · math.AG · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLOR3NXST3P6TTZQKSWVLEV4QJ}

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	2026-05-18T00:22:13.213885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2add1db6f29edfe9cf3054ad5592bc8279aa08deb9049a20ba45fefec98a5a6a

Aliases

arxiv: 1803.00142 · arxiv_version: 1803.00142v1 · doi: 10.48550/arxiv.1803.00142 · pith_short_12: FLOR3NXST3P6 · pith_short_16: FLOR3NXST3P6TTZQ · pith_short_8: FLOR3NXS

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/FLOR3NXST3P6TTZQKSWVLEV4QJ \
  | 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: 2add1db6f29edfe9cf3054ad5592bc8279aa08deb9049a20ba45fefec98a5a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318eac8b96b13efd0e507b2302da2822a2b68c523e29ebb37bdb0f19f02d4e3e",
    "cross_cats_sorted": [
      "math.GT",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-01T00:15:22Z",
    "title_canon_sha256": "ecb5b6cc54dbdac86b682ba241752f0ba35758ea68d7282d0b1ca503724b6535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00142",
    "kind": "arxiv",
    "version": 1
  }
}