Pith Number

pith:HABLQD6V

pith:2018:HABLQD6VS3B7VBREOELM7Y2EIY

not attested not anchored not stored refs pending

Geometric K-homology and the Freed-Hopkins-Teleman theorem

Yiannis Loizides

arxiv:1804.05213 v2 · 2018-04-14 · math.KT · 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{HABLQD6VS3B7VBREOELM7Y2EIY}

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	2026-05-17T23:41:46.696832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3802b80fd596c3fa86247116cfe3444621f7d057e7835b0d185579133d1c8ce6

Aliases

arxiv: 1804.05213 · arxiv_version: 1804.05213v2 · doi: 10.48550/arxiv.1804.05213 · pith_short_12: HABLQD6VS3B7 · pith_short_16: HABLQD6VS3B7VBRE · pith_short_8: HABLQD6V

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/HABLQD6VS3B7VBREOELM7Y2EIY \
  | 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: 3802b80fd596c3fa86247116cfe3444621f7d057e7835b0d185579133d1c8ce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b0631de1fb422425cefa493fc74e06809f3a72e0ce76eb58f78afef8ea834f",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-04-14T12:38:28Z",
    "title_canon_sha256": "23c97da8d0a8be384bca2774d335d41edb38c2379b38ae013fa2f01c9a3969cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05213",
    "kind": "arxiv",
    "version": 2
  }
}