Pith Number

pith:ITZCV5OS

pith:2016:ITZCV5OSUAH2TS65575GV63KPN

not attested not anchored not stored refs pending

Novikov homology and noncommutative Alexander polynomials

Stefan Friedl

arxiv:1606.03587 v1 · 2016-06-11 · 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{ITZCV5OSUAH2TS65575GV63KPN}

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	2026-05-18T01:12:33.606227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f22af5d2a00fa9cbddeffa6afb6a7b4178d05d1aa30b95ae1d341d921f5729

Aliases

arxiv: 1606.03587 · arxiv_version: 1606.03587v1 · doi: 10.48550/arxiv.1606.03587 · pith_short_12: ITZCV5OSUAH2 · pith_short_16: ITZCV5OSUAH2TS65 · pith_short_8: ITZCV5OS

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/ITZCV5OSUAH2TS65575GV63KPN \
  | 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: 44f22af5d2a00fa9cbddeffa6afb6a7b4178d05d1aa30b95ae1d341d921f5729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76d63b6d0940871a871cd097e938ac6466ff1972640ef684fb3933346efcc21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-06-11T13:11:48Z",
    "title_canon_sha256": "28555b778fa08594d9b959653bc6b72cf73216f1fb717906539a9a8298afa623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03587",
    "kind": "arxiv",
    "version": 1
  }
}