Pith Number

pith:KRR7B2VN

pith:2025:KRR7B2VNBRE3LNTPMFYVZXZU4A

not attested not anchored not stored refs pending

Chromatic Higher Semiadditivity by Height Induction

Shay Ben-Moshe

arxiv:2501.08092 v1 · 2025-01-14 · math.AT · 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{KRR7B2VNBRE3LNTPMFYVZXZU4A}

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	2026-07-05T10:00:55.596404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5463f0eaad0c49b5b66f61715cdf34e031e8a1678f78f983822478221a05cfe6

Aliases

arxiv: 2501.08092 · arxiv_version: 2501.08092v1 · doi: 10.48550/arxiv.2501.08092 · pith_short_12: KRR7B2VNBRE3 · pith_short_16: KRR7B2VNBRE3LNTP · pith_short_8: KRR7B2VN

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/KRR7B2VNBRE3LNTPMFYVZXZU4A \
  | 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: 5463f0eaad0c49b5b66f61715cdf34e031e8a1678f78f983822478221a05cfe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c60cdabc9c07b79546c12448149d1590f3445dec4e58b0bc76fa7214c9f30f",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-01-14T13:02:05Z",
    "title_canon_sha256": "35018c49d8c04143d06e8fe9c626d626cf984e5299a321193b718a9d4a388cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08092",
    "kind": "arxiv",
    "version": 1
  }
}