Pith Number

pith:DKUT6PD3

pith:2009:DKUT6PD32FS2CSBN4ARG7GTVKG

not attested not anchored not stored refs pending

Chern-Simons: Fano and Calabi-Yau

Amihay Hanany, Yang-Hui He

arxiv:0904.1847 v1 · 2009-04-13 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKUT6PD32FS2CSBN4ARG7GTVKG}

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	2026-05-18T04:13:57.039185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa93f3c7bd165a1482de0226f9a7551b889bf62cefb9b536673f6fdfa9ef8a4

Aliases

arxiv: 0904.1847 · arxiv_version: 0904.1847v1 · doi: 10.48550/arxiv.0904.1847 · pith_short_12: DKUT6PD32FS2 · pith_short_16: DKUT6PD32FS2CSBN · pith_short_8: DKUT6PD3

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/DKUT6PD32FS2CSBN4ARG7GTVKG \
  | 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: 1aa93f3c7bd165a1482de0226f9a7551b889bf62cefb9b536673f6fdfa9ef8a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c033e81a05dd0734966b20c8456ed68004230a307cddbb1800efc49fc6f94ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-13T16:22:43Z",
    "title_canon_sha256": "e99deb12e10cb6ab211e5104b485ec0167b9cfeb8d57eacc905bf84f1b3c6317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1847",
    "kind": "arxiv",
    "version": 1
  }
}