Pith Number

pith:PWJHG74K

pith:2017:PWJHG74KYSS7GESC6HQPKUZBE3

not attested not anchored not stored refs pending

Minimal models of semi-log-canonical pairs

Florin Ambro, J\'anos Koll\'ar

arxiv:1709.03540 v1 · 2017-09-11 · 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{PWJHG74KYSS7GESC6HQPKUZBE3}

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	2026-05-18T00:35:30.221909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d92737f8ac4a5f31242f1e0f5532126fba2123e3e33ce4cfdac6f9716fcd9d2

Aliases

arxiv: 1709.03540 · arxiv_version: 1709.03540v1 · doi: 10.48550/arxiv.1709.03540 · pith_short_12: PWJHG74KYSS7 · pith_short_16: PWJHG74KYSS7GESC · pith_short_8: PWJHG74K

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/PWJHG74KYSS7GESC6HQPKUZBE3 \
  | 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: 7d92737f8ac4a5f31242f1e0f5532126fba2123e3e33ce4cfdac6f9716fcd9d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e204b30d0739cb78d6d190a8cabba12f40a70231683edf0a422599f1852a4321",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-11T18:48:06Z",
    "title_canon_sha256": "520dd77131c6152960a9db112606788b69901ab6471b569d85d612e9773b8bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03540",
    "kind": "arxiv",
    "version": 1
  }
}