Pith Number

pith:FQKHWGIH

pith:2017:FQKHWGIHD7N7HNHPHABZSVSRX7

not attested not anchored not stored refs pending

The topology of $A_g$ and its compactifications

Klaus Hulek, Orsola Tommasi

arxiv:1712.03771 v3 · 2017-12-11 · 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{FQKHWGIHD7N7HNHPHABZSVSRX7}

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	2026-05-18T00:16:02.957567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c147b19071fdbf3b4ef3803995651bffb01dc2da6cc59b6a567125948d7960b

Aliases

arxiv: 1712.03771 · arxiv_version: 1712.03771v3 · doi: 10.48550/arxiv.1712.03771 · pith_short_12: FQKHWGIHD7N7 · pith_short_16: FQKHWGIHD7N7HNHP · pith_short_8: FQKHWGIH

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/FQKHWGIHD7N7HNHPHABZSVSRX7 \
  | 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: 2c147b19071fdbf3b4ef3803995651bffb01dc2da6cc59b6a567125948d7960b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10963d5a14ac7d719b8323af9246430e7f6b75205135bfc240079cb9908b53fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-11T13:48:13Z",
    "title_canon_sha256": "9586a4535fbda4cbf460fe1287d7f4f175b19e12bd56c28d58a90d816652e9eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03771",
    "kind": "arxiv",
    "version": 3
  }
}