Pith Number

pith:WCFYPEON

pith:2017:WCFYPEONZRF2MI4S7WUOUOSUYR

not attested not anchored not stored refs pending

Higher syzygies on surfaces with numerically trivial canonical bundle

Alex K\"uronya, Daniele Agostini, Victor Lozovanu

arxiv:1703.10203 v1 · 2017-03-29 · 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{WCFYPEONZRF2MI4S7WUOUOSUYR}

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	2026-05-18T00:47:37.647556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08b8791cdcc4ba62392fda8ea3a54c45d19ac62047acdd0aefc831b4b3510d6

Aliases

arxiv: 1703.10203 · arxiv_version: 1703.10203v1 · doi: 10.48550/arxiv.1703.10203 · pith_short_12: WCFYPEONZRF2 · pith_short_16: WCFYPEONZRF2MI4S · pith_short_8: WCFYPEON

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/WCFYPEONZRF2MI4S7WUOUOSUYR \
  | 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: b08b8791cdcc4ba62392fda8ea3a54c45d19ac62047acdd0aefc831b4b3510d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ca160d79489662935cab46bb28d1dc55bb5171a0752da043493d58c77f1aea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-29T19:14:25Z",
    "title_canon_sha256": "822ea6e03d735c52fbe9e9ee0e57ed1ee021c2dc53e29333a6d20cc89d512960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10203",
    "kind": "arxiv",
    "version": 1
  }
}