Pith Number

pith:5CZE3MFK

pith:2026:5CZE3MFKRH3NFRHH7IEQB2A2V5

not attested not anchored not stored refs pending

On the l-adic homotopy type of configuration spaces

Geoffroy Horel, Joana Cirici

arxiv:2606.31949 v1 · 2026-06-30 · 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{5CZE3MFKRH3NFRHH7IEQB2A2V5}

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	2026-07-01T01:18:26.779253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b24db0aa89f6d2c4e7fa0900e81aaf4e7673f62a2f1f58d17eab03a4b25881

Aliases

arxiv: 2606.31949 · arxiv_version: 2606.31949v1 · doi: 10.48550/arxiv.2606.31949 · pith_short_12: 5CZE3MFKRH3N · pith_short_16: 5CZE3MFKRH3NFRHH · pith_short_8: 5CZE3MFK

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/5CZE3MFKRH3NFRHH7IEQB2A2V5 \
  | 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: e8b24db0aa89f6d2c4e7fa0900e81aaf4e7673f62a2f1f58d17eab03a4b25881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e526bc3a62340273d2e5e50331b82e97823496094814b3abee7ca2a8d27e87c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-06-30T16:54:23Z",
    "title_canon_sha256": "84ef82265e54e6e2787b1a1b1ad8f89f704a89b9a474c9a28ec56a2b6035c465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31949",
    "kind": "arxiv",
    "version": 1
  }
}