Pith Number

pith:TD4NKN5W

pith:2025:TD4NKN5WUR6O2PBYE4TGUBZGPO

not attested not anchored not stored refs pending

Baues-Wirsching Cohomology and Svarc Genus in Small Categories

David Mosquera-Lois, Enrique Mac\'ias-Virg\'os, Isaac Carcac\'ia-Campos

arxiv:2508.00727 v2 · 2025-08-01 · math.CT · 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{TD4NKN5WUR6O2PBYE4TGUBZGPO}

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	2026-05-20T00:05:31.956880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f8d537b6a47ced3c3827266a07267b95da05f38ee505f6005b53864faa43f5

Aliases

arxiv: 2508.00727 · arxiv_version: 2508.00727v2 · doi: 10.48550/arxiv.2508.00727 · pith_short_12: TD4NKN5WUR6O · pith_short_16: TD4NKN5WUR6O2PBY · pith_short_8: TD4NKN5W

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/TD4NKN5WUR6O2PBYE4TGUBZGPO \
  | 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: 98f8d537b6a47ced3c3827266a07267b95da05f38ee505f6005b53864faa43f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7920fffaaea6c653e68bc15260a2b512d123b778592ccf8761d621611015a9",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2025-08-01T15:50:02Z",
    "title_canon_sha256": "ab86b9e7c47f70151040243b8192d1ec8fa468b719dc2fe81ed565e9ce562bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00727",
    "kind": "arxiv",
    "version": 2
  }
}