Pith Number

pith:WF4IIGQM

pith:2017:WF4IIGQMHYNIQWZ5M3RPVHDTR4

not attested not anchored not stored refs pending

On the Hitchin fibration for algebraic surfaces

Ngo Bao Chau, Tsao-Hsien Chen

arxiv:1711.02592 v2 · 2017-11-07 · 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{WF4IIGQMHYNIQWZ5M3RPVHDTR4}

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	2026-05-18T00:25:33.569224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b178841a0c3e1a885b3d66e2fa9c738f3a5b36a508cc947740213f3a9404bf90

Aliases

arxiv: 1711.02592 · arxiv_version: 1711.02592v2 · doi: 10.48550/arxiv.1711.02592 · pith_short_12: WF4IIGQMHYNI · pith_short_16: WF4IIGQMHYNIQWZ5 · pith_short_8: WF4IIGQM

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/WF4IIGQMHYNIQWZ5M3RPVHDTR4 \
  | 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: b178841a0c3e1a885b3d66e2fa9c738f3a5b36a508cc947740213f3a9404bf90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e74ab45d338cd8c2dab604164fcdb1abde3c6df55fb6cbab9d4a8d950d5edc93",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-07T16:29:57Z",
    "title_canon_sha256": "ce2c9c5dcefe73207b5c4f7ef93c20eb383263c7bce5db167b3085ddcc9a801e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02592",
    "kind": "arxiv",
    "version": 2
  }
}