Pith Number

pith:PHJUCS3K

pith:2013:PHJUCS3KDL66ZF3FAU2UJT2KE7

not attested not anchored not stored refs pending

Twistor deformation of rank one local systems

Morihiko Saito

arxiv:1307.4907 v7 · 2013-07-18 · 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{PHJUCS3KDL66ZF3FAU2UJT2KE7}

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	2026-05-18T03:10:23.963433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d3414b6a1afdec9765053544cf4a27c0ae80be8a6ed19b08fe1268c47beb3c

Aliases

arxiv: 1307.4907 · arxiv_version: 1307.4907v7 · doi: 10.48550/arxiv.1307.4907 · pith_short_12: PHJUCS3KDL66 · pith_short_16: PHJUCS3KDL66ZF3F · pith_short_8: PHJUCS3K

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/PHJUCS3KDL66ZF3FAU2UJT2KE7 \
  | 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: 79d3414b6a1afdec9765053544cf4a27c0ae80be8a6ed19b08fe1268c47beb3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21505108539ee7ab76f94f0ddd3c18dfecc847e205b3de54d9c14e16bb1f2379",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-07-18T11:17:59Z",
    "title_canon_sha256": "3421e4a1780ac9745512cc582106c294d89c89dd1675cece17c73d2a4dff456e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4907",
    "kind": "arxiv",
    "version": 7
  }
}