Pith Number

pith:QYAIYKMC

pith:2024:QYAIYKMCK6GJTXYTY2HSIN7IVJ

not attested not anchored not stored refs pending

Magnitude homology is a derived functor

Sergei O. Ivanov, Yasuhiko Asao

arxiv:2402.14466 v3 · 2024-02-22 · 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{QYAIYKMCK6GJTXYTY2HSIN7IVJ}

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	2026-07-05T08:20:53.343807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86008c2982578c99df13c68f2437e8aa5d51a8f41827821e0b5699a75d44da04

Aliases

arxiv: 2402.14466 · arxiv_version: 2402.14466v3 · doi: 10.48550/arxiv.2402.14466 · pith_short_12: QYAIYKMCK6GJ · pith_short_16: QYAIYKMCK6GJTXYT · pith_short_8: QYAIYKMC

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/QYAIYKMCK6GJTXYTY2HSIN7IVJ \
  | 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: 86008c2982578c99df13c68f2437e8aa5d51a8f41827821e0b5699a75d44da04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3371ba3c5e593faf07963a6896121aa4ffbf3a2912f8a6cad958f51b301557",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2024-02-22T11:53:00Z",
    "title_canon_sha256": "53055bc450c9189b327613abe5e165660180f87b8a2bb1d965a9be6098f04af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.14466",
    "kind": "arxiv",
    "version": 3
  }
}