Pith Number

pith:2EAFRMQY

pith:2026:2EAFRMQYQIGIJUFS6M6H66MU75

not attested not anchored not stored refs pending

Homology of configuration spaces in positive characteristic via point-set constructions

Najib Idrissi, Victor Roca i Lucio

arxiv:2606.26802 v1 · 2026-06-25 · 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{2EAFRMQYQIGIJUFS6M6H66MU75}

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	2026-06-26T01:16:00.186908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10058b218820c84d0b2f33c7f7994ff55a7150d5cd4a1002b563e68c54ec99f

Aliases

arxiv: 2606.26802 · arxiv_version: 2606.26802v1 · doi: 10.48550/arxiv.2606.26802 · pith_short_12: 2EAFRMQYQIGI · pith_short_16: 2EAFRMQYQIGIJUFS · pith_short_8: 2EAFRMQY

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/2EAFRMQYQIGIJUFS6M6H66MU75 \
  | 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: d10058b218820c84d0b2f33c7f7994ff55a7150d5cd4a1002b563e68c54ec99f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b95b04b375f2be4d2e124dbdf71ec34be07807708bbf3867271e99c0d55c77e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2026-06-25T09:38:26Z",
    "title_canon_sha256": "8946af069e5cfb4297441aa4091c6addd09c0d2e0290844fa313f1d1c337083c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26802",
    "kind": "arxiv",
    "version": 1
  }
}