Pith Number

pith:QFXIO6YE

pith:2012:QFXIO6YEXZNMRRLW7AZTSEO2QZ

not attested not anchored not stored refs pending

On the Spectral Sequence of the Swiss-cheese Operad

Eduardo Hoefel, Muriel Livernet

arxiv:1209.6122 v1 · 2012-09-27 · math.AT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFXIO6YEXZNMRRLW7AZTSEO2QZ}

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	2026-05-18T02:41:42.913175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816e877b04be5ac8c576f8333911da867fc7161de7d4f958b5efcc3b83ebe19c

Aliases

arxiv: 1209.6122 · arxiv_version: 1209.6122v1 · doi: 10.48550/arxiv.1209.6122 · pith_short_12: QFXIO6YEXZNM · pith_short_16: QFXIO6YEXZNMRRLW · pith_short_8: QFXIO6YE

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/QFXIO6YEXZNMRRLW7AZTSEO2QZ \
  | 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: 816e877b04be5ac8c576f8333911da867fc7161de7d4f958b5efcc3b83ebe19c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62bf11dbcc7f0c0b75aa88242a3679c589876aeae1891093a217f83c5a022449",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-09-27T04:28:32Z",
    "title_canon_sha256": "15772947d76787ce18933f1d294cb252aca762b0f05fa172ebcd43a604411215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6122",
    "kind": "arxiv",
    "version": 1
  }
}