Pith Number

pith:QRASBRO3

pith:2011:QRASBRO375B42M5ERSLNICRMIE

not attested not anchored not stored refs pending

Fox-Neuwirth cell structures and the cohomology of symmetric groups

Chad Giusti, Dev Sinha

arxiv:1110.4137 v3 · 2011-10-18 · math.AT · math.KT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRASBRO375B42M5ERSLNICRMIE}

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	2026-05-18T03:49:01.134077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844120c5dbff43cd33a48c96d40a2c41372fe06e1aebeb4b76dfd81b3b4ac8c8

Aliases

arxiv: 1110.4137 · arxiv_version: 1110.4137v3 · doi: 10.48550/arxiv.1110.4137 · pith_short_12: QRASBRO375B4 · pith_short_16: QRASBRO375B42M5E · pith_short_8: QRASBRO3

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/QRASBRO375B42M5ERSLNICRMIE \
  | 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: 844120c5dbff43cd33a48c96d40a2c41372fe06e1aebeb4b76dfd81b3b4ac8c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6dbd49f77b9a414dab5162cb284e8691ae8bd4e6fe82981ff23f4d7ab0667d",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-10-18T22:19:51Z",
    "title_canon_sha256": "e23d9ff4d5ebeb8790abc81b737ebd5b043b029cf442e787fcbc824f8fdd7fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4137",
    "kind": "arxiv",
    "version": 3
  }
}