Pith Number

pith:FVNSELNR

pith:2018:FVNSELNRT6355GXK7RDUYINNJG

not attested not anchored not stored refs pending

Perverse schobers on Riemann surfaces: constructions and examples

W. Donovan

arxiv:1801.05319 v2 · 2018-01-16 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVNSELNRT6355GXK7RDUYINNJG}

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.

Cited by

1 paper in Pith

Cycle Relations and Global Gluing in Multi-Node Conifold Degenerations

Receipt and verification

First computed	2026-05-18T00:00:30.726281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5b222db19fb7de9aeafc474c21ad4987b56c17f715b660bedacac0b1e09f25

Aliases

arxiv: 1801.05319 · arxiv_version: 1801.05319v2 · doi: 10.48550/arxiv.1801.05319 · pith_short_12: FVNSELNRT635 · pith_short_16: FVNSELNRT6355GXK · pith_short_8: FVNSELNR

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/FVNSELNRT6355GXK7RDUYINNJG \
  | 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: 2d5b222db19fb7de9aeafc474c21ad4987b56c17f715b660bedacac0b1e09f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86443c0932c4fbc12ca6f04bab36b255228670a739c191b81b07fe7f3921e2b",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-01-16T15:44:08Z",
    "title_canon_sha256": "7e8cf7347a866b048177504ee5a8ed9eceac817368865f50ad8f188725f7536e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05319",
    "kind": "arxiv",
    "version": 2
  }
}