Pith Number

pith:2TNFH5N2

pith:2020:2TNFH5N2AKAIUC4W5SHGE72CCV

not attested not anchored not stored refs pending

Fixed points for group actions on 2-dimensional affine buildings

Anne Thomas, Jeroen Schillewaert, Koen Struyve

arxiv:2003.00681 v3 · 2020-03-02 · math.GR · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TNFH5N2AKAIUC4W5SHGE72CCV}

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	2026-07-05T05:22:25.458569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4da53f5ba02808a0b96ec8e627f421550280588f2d3de8a1deab1f09e9add48

Aliases

arxiv: 2003.00681 · arxiv_version: 2003.00681v3 · doi: 10.48550/arxiv.2003.00681 · pith_short_12: 2TNFH5N2AKAI · pith_short_16: 2TNFH5N2AKAIUC4W · pith_short_8: 2TNFH5N2

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/2TNFH5N2AKAIUC4W5SHGE72CCV \
  | 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: d4da53f5ba02808a0b96ec8e627f421550280588f2d3de8a1deab1f09e9add48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d74ad96618eb8b11359fa77c2dfc926726389a336c9395fe2a0499a5a1916144",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2020-03-02T06:06:28Z",
    "title_canon_sha256": "1598d5cb8b7c18b4aa34ca4d12acccd0ba5c05c3fd9facc52774bac0c88177d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00681",
    "kind": "arxiv",
    "version": 3
  }
}