Pith Number

pith:UAVL262A

pith:2015:UAVL262AL4P623RG3MKOJQBOKN

not attested not anchored not stored refs pending

Exceptional collections on Dolgachev surfaces associated with degenerations

Yonghwa Cho, Yongnam Lee

arxiv:1506.05213 v4 · 2015-06-17 · 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{UAVL262AL4P623RG3MKOJQBOKN}

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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.

Cited by

1 paper in Pith

The Lichtenbaum-Quillen dimension of complex varieties

Receipt and verification

First computed	2026-05-18T00:29:41.126517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a02abd7b405f1fed6e26db14e4c02e534b04ef23db0eb2e1d1faa5d0044c327d

Aliases

arxiv: 1506.05213 · arxiv_version: 1506.05213v4 · doi: 10.48550/arxiv.1506.05213 · pith_short_12: UAVL262AL4P6 · pith_short_16: UAVL262AL4P623RG · pith_short_8: UAVL262A

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/UAVL262AL4P623RG3MKOJQBOKN \
  | 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: a02abd7b405f1fed6e26db14e4c02e534b04ef23db0eb2e1d1faa5d0044c327d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d6226028ed2d76d6e012d247a18d0bc1b7a8f201e43de5163b02cbddd2a6f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-06-17T05:55:01Z",
    "title_canon_sha256": "271dc3e84299ac614fbbffb118145c007c063b9681c07941b6c1ba1fd808ae2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05213",
    "kind": "arxiv",
    "version": 4
  }
}