Pith Number

pith:SDH743NS

pith:2018:SDH743NSSOSUOJXIHRV7KZ3STQ

not attested not anchored not stored refs pending

Lagrangian Skeleta of Hypersurfaces in $(\mathbb{C}^*)^n$

Peng Zhou

arxiv:1803.00320 v3 · 2018-03-01 · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDH743NSSOSUOJXIHRV7KZ3STQ}

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	2026-05-18T00:02:01.523008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cffe6db293a54726e83c6bf567729c2c54e1ad3867d4b90eb92047fce90ad6

Aliases

arxiv: 1803.00320 · arxiv_version: 1803.00320v3 · doi: 10.48550/arxiv.1803.00320 · pith_short_12: SDH743NSSOSU · pith_short_16: SDH743NSSOSUOJXI · pith_short_8: SDH743NS

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/SDH743NSSOSUOJXIHRV7KZ3STQ \
  | 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: 90cffe6db293a54726e83c6bf567729c2c54e1ad3867d4b90eb92047fce90ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd12d5a6bf8643db59e1637de8f103cc93bb01889c8277454791386677382a48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-03-01T11:53:40Z",
    "title_canon_sha256": "5441d6f947d8af53ddc472fbd58861beb2b29dc8f63d8f69b1345b39b91f6408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00320",
    "kind": "arxiv",
    "version": 3
  }
}