Pith Number

pith:L6DRFMR5

pith:2014:L6DRFMR54IZ2ULJZJLEAMKZHOX

not attested not anchored not stored refs pending

Splitting Madsen-Tillmann spectra I. Twisted transfer maps

Hadi Zare, Takuji Kashiwabara

arxiv:1407.7201 v4 · 2014-07-27 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6DRFMR54IZ2ULJZJLEAMKZHOX}

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	2026-05-18T01:00:46.388995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f8712b23de233aa2d394ac8062b2775fc8498f3489faeed392ac3ecdc482548

Aliases

arxiv: 1407.7201 · arxiv_version: 1407.7201v4 · doi: 10.48550/arxiv.1407.7201 · pith_short_12: L6DRFMR54IZ2 · pith_short_16: L6DRFMR54IZ2ULJZ · pith_short_8: L6DRFMR5

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/L6DRFMR54IZ2ULJZJLEAMKZHOX \
  | 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: 5f8712b23de233aa2d394ac8062b2775fc8498f3489faeed392ac3ecdc482548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc4d45b8521e5db9df8367c839c49e31c9668a30fe6ab44805d0ebf9df92ee9",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-07-27T08:45:48Z",
    "title_canon_sha256": "eab16a68c2cd246a55fc00df1d24b13a0d53d664d50676e0d459be32d0585ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7201",
    "kind": "arxiv",
    "version": 4
  }
}