Pith Number

pith:JOZN736M

pith:2009:JOZN736MXV463BYDJ5ITNOXHGJ

not attested not anchored not stored refs pending

Equivariant embedding theorems and topological index maps

Heath Emerson, Ralf Meyer

arxiv:0908.1465 v1 · 2009-08-11 · math.KT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOZN736MXV463BYDJ5ITNOXHGJ}

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	2026-05-18T03:52:26.726510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb2dfefccbd79ed87034f5136bae73273e2998d8c9a7b17b02c1305f8e3ccfc

Aliases

arxiv: 0908.1465 · arxiv_version: 0908.1465v1 · doi: 10.48550/arxiv.0908.1465 · pith_short_12: JOZN736MXV46 · pith_short_16: JOZN736MXV463BYD · pith_short_8: JOZN736M

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/JOZN736MXV463BYDJ5ITNOXHGJ \
  | 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: 4bb2dfefccbd79ed87034f5136bae73273e2998d8c9a7b17b02c1305f8e3ccfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b69063ec39a5e2b6d50062c539675af99bdaba66f314a23165e3360ff6f7b19",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2009-08-11T07:24:22Z",
    "title_canon_sha256": "d755ecb18d63d27a88ff9ba9d01dbee65d4a629e739b28a0b3d30d444a476fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1465",
    "kind": "arxiv",
    "version": 1
  }
}