Pith Number

pith:IXBBM4AQ

pith:2026:IXBBM4AQA5XG2MGMEI37TTASFX

not attested not anchored not stored refs pending

Topological CoHochschild Homology and Thom Spectra

Jiaxi Zha

arxiv:2601.11263 v2 · 2026-01-16 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXBBM4AQA5XG2MGMEI37TTASFX}

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	2026-07-14T01:20:51.529379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c2167010076e6d30cc2237f9cc122dc929641982993eec685e908ab9d0877f

Aliases

arxiv: 2601.11263 · arxiv_version: 2601.11263v2 · doi: 10.48550/arxiv.2601.11263 · pith_short_12: IXBBM4AQA5XG · pith_short_16: IXBBM4AQA5XG2MGM · pith_short_8: IXBBM4AQ

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/IXBBM4AQA5XG2MGMEI37TTASFX \
  | 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: 45c2167010076e6d30cc2237f9cc122dc929641982993eec685e908ab9d0877f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab2f7dfd93ceb3fe0d31dff2da3803ec1e4a644c77217ea774c1f9d72aeae81a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-01-16T13:11:43Z",
    "title_canon_sha256": "35f276e66539ed30a53fd7cf4a3d47aba88246cbf143eb086cb35beb9b64da4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.11263",
    "kind": "arxiv",
    "version": 2
  }
}