Pith Number

pith:7IFRXKE5

pith:2015:7IFRXKE56DLOJRNOUABPTQGPX4

not attested not anchored not stored refs pending

Teichmuller space for hyperkahler and symplectic structures

Ekaterina Amerik, Misha Verbitsky

arxiv:1503.01201 v1 · 2015-03-04 · math.DG · math.AG · 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{7IFRXKE56DLOJRNOUABPTQGPX4}

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	2026-05-18T01:25:01.621586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0b1ba89df0d6e4c5aea002f9c0cfbf3cea5cc9e88b62489dbfac53b52f5859

Aliases

arxiv: 1503.01201 · arxiv_version: 1503.01201v1 · doi: 10.48550/arxiv.1503.01201 · pith_short_12: 7IFRXKE56DLO · pith_short_16: 7IFRXKE56DLOJRNO · pith_short_8: 7IFRXKE5

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/7IFRXKE56DLOJRNOUABPTQGPX4 \
  | 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: fa0b1ba89df0d6e4c5aea002f9c0cfbf3cea5cc9e88b62489dbfac53b52f5859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bddc0bbf55145ca591c8c8c21e8dadd0b2908622ed4ef661458e5ddaacfd623a",
    "cross_cats_sorted": [
      "math.AG",
      "math.SG"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-04T02:53:57Z",
    "title_canon_sha256": "e113e19a8f471608156afcc3df66854fc5accc2e96b090d33ac5a4b70961ad68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01201",
    "kind": "arxiv",
    "version": 1
  }
}