pith. sign in
Pith Number

pith:WGIHXPSS

pith:2015:WGIHXPSSPRKU7ZY4FVDW2CYEXB
not attested not anchored not stored refs pending

Homotopical Khovanov homology

Igor Nikonov, Vassily Olegovich Manturov

arxiv:1501.04805 v1 · 2015-01-20 · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WGIHXPSSPRKU7ZY4FVDW2CYEXB}

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 2026-05-18T02:29:02.235259Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b1907bbe527c554fe71c2d476d0b04b846fd6c7a267e09fffcc343d4a0907287

Aliases

arxiv: 1501.04805 · arxiv_version: 1501.04805v1 · doi: 10.48550/arxiv.1501.04805 · pith_short_12: WGIHXPSSPRKU · pith_short_16: WGIHXPSSPRKU7ZY4 · pith_short_8: WGIHXPSS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WGIHXPSSPRKU7ZY4FVDW2CYEXB \
  | 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: b1907bbe527c554fe71c2d476d0b04b846fd6c7a267e09fffcc343d4a0907287
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f1008bbfb6031a1a93a1932d01186fad153c31d2faed8edbba25f8f71e405b11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-01-20T13:45:34Z",
    "title_canon_sha256": "d9023d0537ff7e1f142a98f955d23ad4aa3636d9c03941445eb5b22851307bef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04805",
    "kind": "arxiv",
    "version": 1
  }
}