pith. sign in
Pith Number

pith:54TAPZPD

pith:2019:54TAPZPDGQNI5NJELBAXWWFEPC
not attested not anchored not stored refs pending

A Splitting Formula in Instanton Floer Homology

Nima Anvari

arxiv:1901.02570 v1 · 2019-01-09 · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{54TAPZPDGQNI5NJELBAXWWFEPC}

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 2026-05-17T23:56:40.152934Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ef2607e5e3341a8eb52458417b58a47883e8c84f4aec06aa9b5cb34d3004e11d

Aliases

arxiv: 1901.02570 · arxiv_version: 1901.02570v1 · doi: 10.48550/arxiv.1901.02570 · pith_short_12: 54TAPZPDGQNI · pith_short_16: 54TAPZPDGQNI5NJE · pith_short_8: 54TAPZPD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/54TAPZPDGQNI5NJELBAXWWFEPC \
  | 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: ef2607e5e3341a8eb52458417b58a47883e8c84f4aec06aa9b5cb34d3004e11d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f8cced77b1c863aa22d71c788a3d21f90f75f809a90d9f9ba3d2d7a1453ea0e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-01-09T01:13:18Z",
    "title_canon_sha256": "17325158c02eccd281ab09e34eb84d06e0f0f4c65072473cf6a8407f8cd56144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02570",
    "kind": "arxiv",
    "version": 1
  }
}