Pith Number

pith:IUQ5X2V4

pith:2017:IUQ5X2V4SCTJF7TNNKHPJPBKRZ

not attested not anchored not stored refs pending

On the geometry of the moduli space of sheaves supported on curves of genus four contained in a quadric surface

Mario Maican

arxiv:1704.07011 v1 · 2017-04-24 · 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{IUQ5X2V4SCTJF7TNNKHPJPBKRZ}

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	2026-05-18T00:45:55.008228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4521dbeabc90a692fe6d6a8ef4bc2a8e79fecb0a3522993a28505ba49f5c537c

Aliases

arxiv: 1704.07011 · arxiv_version: 1704.07011v1 · doi: 10.48550/arxiv.1704.07011 · pith_short_12: IUQ5X2V4SCTJ · pith_short_16: IUQ5X2V4SCTJF7TN · pith_short_8: IUQ5X2V4

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/IUQ5X2V4SCTJF7TNNKHPJPBKRZ \
  | 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: 4521dbeabc90a692fe6d6a8ef4bc2a8e79fecb0a3522993a28505ba49f5c537c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7faa25d7675fb354455d6dec7c1c91969f3e530ecb4f2aba8554ca6268f4060d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-24T01:10:12Z",
    "title_canon_sha256": "8137de5e3ab3336da4e17fb630228a16da3e5747c3096cb91c50d600d51c1a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07011",
    "kind": "arxiv",
    "version": 1
  }
}