Pith Number

pith:IJO26EPK

pith:2009:IJO26EPKA74LPZKMGEDJTZCSXS

not attested not anchored not stored refs pending

Filtrations, factorizations and explicit formulae for harmonic maps

John C. Wood (Leeds), Martin Svensson (Odense)

arxiv:0909.5582 v3 · 2009-09-30 · 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{IJO26EPKA74LPZKMGEDJTZCSXS}

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	2026-05-18T04:42:23.105996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425daf11ea07f8b7e54c310699e452bcab281376565765a4106af9e1e4477107

Aliases

arxiv: 0909.5582 · arxiv_version: 0909.5582v3 · doi: 10.48550/arxiv.0909.5582 · pith_short_12: IJO26EPKA74L · pith_short_16: IJO26EPKA74LPZKM · pith_short_8: IJO26EPK

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/IJO26EPKA74LPZKMGEDJTZCSXS \
  | 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: 425daf11ea07f8b7e54c310699e452bcab281376565765a4106af9e1e4477107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94dd2e650f3fc69884a1da7c273389f5848ce0f77ae4a2a19afb649570a940f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-09-30T11:50:36Z",
    "title_canon_sha256": "572bd9496948d4b0308643f9c73f0a9b6a4782032f5df1cb0aac8b61302179e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5582",
    "kind": "arxiv",
    "version": 3
  }
}