Pith Number

pith:2FWNYFNT

pith:2014:2FWNYFNTX3OHR432YPUYZK37ZU

not attested not anchored not stored refs pending

Functor homology and homology of commutative monoids

R. Kurdiani, T. Pirashvili

arxiv:1407.7648 v1 · 2014-07-29 · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FWNYFNTX3OHR432YPUYZK37ZU}

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	2026-05-18T02:46:22.103347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16cdc15b3bedc78f37ac3e98cab7fcd3a6205e1d6b820afce4304155e0ed0c1

Aliases

arxiv: 1407.7648 · arxiv_version: 1407.7648v1 · doi: 10.48550/arxiv.1407.7648 · pith_short_12: 2FWNYFNTX3OH · pith_short_16: 2FWNYFNTX3OHR432 · pith_short_8: 2FWNYFNT

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/2FWNYFNTX3OHR432YPUYZK37ZU \
  | 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: d16cdc15b3bedc78f37ac3e98cab7fcd3a6205e1d6b820afce4304155e0ed0c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456411b6489e860e466a5ed09dfbd12140c68c7068086cadc0b7009fb141935a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-07-29T07:42:01Z",
    "title_canon_sha256": "163eac2b7cd31affc4861caa02d94ab0935fec53c31fd91a4194e5b7805da6d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7648",
    "kind": "arxiv",
    "version": 1
  }
}