Pith Number

pith:Y53DJQRN

pith:2011:Y53DJQRNZLHKGZ7AZSFDDLBLCF

not attested not anchored not stored refs pending

A note on harmonic forms and the boundary of the K\"ahler cone

Albert Chau, Luen-fai Tam

arxiv:1105.2913 v2 · 2011-05-14 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y53DJQRNZLHKGZ7AZSFDDLBLCF}

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	2026-05-18T04:22:00.410202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c77634c22dcacea367e0cc8a31ac2b117911f5e3ff11e00187f7bfee72b14ce9

Aliases

arxiv: 1105.2913 · arxiv_version: 1105.2913v2 · doi: 10.48550/arxiv.1105.2913 · pith_short_12: Y53DJQRNZLHK · pith_short_16: Y53DJQRNZLHKGZ7A · pith_short_8: Y53DJQRN

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/Y53DJQRNZLHKGZ7AZSFDDLBLCF \
  | 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: c77634c22dcacea367e0cc8a31ac2b117911f5e3ff11e00187f7bfee72b14ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e73166ce04c9f07c440819bfd3db05567dda3d00f52b36005efecb8282e344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-14T20:40:50Z",
    "title_canon_sha256": "7e7100d8cb416b7e2a4216b26eb0cacf4487f55328b946d1fca84652ac6edc57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2913",
    "kind": "arxiv",
    "version": 2
  }
}