Pith Number

pith:E7FHM7A4

pith:2015:E7FHM7A4NDB6ZVQWEIXFM4TWDK

not attested not anchored not stored refs pending

Milnor fibers and symplectic fillings of quotient surface singularities

Dongsoo Shin, Giancarlo Urz\'ua, Heesang Park, Jongil Park

arxiv:1507.06756 v3 · 2015-07-24 · math.AG · 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{E7FHM7A4NDB6ZVQWEIXFM4TWDK}

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	2026-05-18T00:22:21.387993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ca767c1c68c3ecd616222e5672761a9ec126ff266cb07867fa99aa2eacbb31

Aliases

arxiv: 1507.06756 · arxiv_version: 1507.06756v3 · doi: 10.48550/arxiv.1507.06756 · pith_short_12: E7FHM7A4NDB6 · pith_short_16: E7FHM7A4NDB6ZVQW · pith_short_8: E7FHM7A4

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/E7FHM7A4NDB6ZVQWEIXFM4TWDK \
  | 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: 27ca767c1c68c3ecd616222e5672761a9ec126ff266cb07867fa99aa2eacbb31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a551a024588f32434c67eca29851bef443bdb5dff86b618ff6dcf4eb4353b8",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-24T06:41:35Z",
    "title_canon_sha256": "36e36f21fc37aaa4996ee73da0c26e68831913dce00c8caf39a5100906926d90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06756",
    "kind": "arxiv",
    "version": 3
  }
}