Pith Number

pith:JELKUUFT

pith:2025:JELKUUFTPF5JEU3463B3FPU6HW

not attested not anchored not stored refs pending

Splitting the Madsen-Tillmann Spectra $MT\theta_n$

Andrew Senger, Jonathan Sejr Pedersen

arxiv:2503.10507 v1 · 2025-03-13 · 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{JELKUUFTPF5JEU3463B3FPU6HW}

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	2026-07-05T10:30:46.868495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4916aa50b3797a92537cf6c3b2be9e3dbedcd7370d86a0d29f899813f8fba3b2

Aliases

arxiv: 2503.10507 · arxiv_version: 2503.10507v1 · doi: 10.48550/arxiv.2503.10507 · pith_short_12: JELKUUFTPF5J · pith_short_16: JELKUUFTPF5JEU34 · pith_short_8: JELKUUFT

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/JELKUUFTPF5JEU3463B3FPU6HW \
  | 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: 4916aa50b3797a92537cf6c3b2be9e3dbedcd7370d86a0d29f899813f8fba3b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71685bac07f52eba30630ed492c9767eb2fdcfb73e34a8d88d2d57e421bb65ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-03-13T16:09:17Z",
    "title_canon_sha256": "ecb943800881735643e4a54d15764abce8a8518314fc1bb4284b2acbdfb02771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.10507",
    "kind": "arxiv",
    "version": 1
  }
}