Pith Number

pith:ISFY4B4O

pith:2012:ISFY4B4OYZG6BBG2NA5SNPSTTB

not attested not anchored not stored refs pending

Dimensionally-reduced sutured Floer homology as a string homology

Daniel V. Mathews, Eric Schoenfeld

arxiv:1210.7394 v2 · 2012-10-28 · math.SG · math.AT · 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{ISFY4B4OYZG6BBG2NA5SNPSTTB}

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	2026-05-18T02:03:38.483349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448b8e078ec64de084da683b26be539879d319abc9340e8f4f4b9add058a138e

Aliases

arxiv: 1210.7394 · arxiv_version: 1210.7394v2 · doi: 10.48550/arxiv.1210.7394 · pith_short_12: ISFY4B4OYZG6 · pith_short_16: ISFY4B4OYZG6BBG2 · pith_short_8: ISFY4B4O

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/ISFY4B4OYZG6BBG2NA5SNPSTTB \
  | 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: 448b8e078ec64de084da683b26be539879d319abc9340e8f4f4b9add058a138e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a8b5e985b6b3676422b73778768852501ff6169c65d08c9b009f5cc06d1830",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-10-28T02:58:20Z",
    "title_canon_sha256": "42663a610b8dcc5030d0e3a9907a9d6f2e899153451621008178d1814cda3e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7394",
    "kind": "arxiv",
    "version": 2
  }
}