Pith Number

pith:H5ECWC6X

pith:2015:H5ECWC6X3V2RIBEOEQQXRFIYKH

not attested not anchored not stored refs pending

Definably amenable NIP groups

Artem Chernikov, Pierre Simon

arxiv:1502.04365 v3 · 2015-02-15 · math.LO · math.DS · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5ECWC6X3V2RIBEOEQQXRFIYKH}

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	2026-05-18T00:27:36.969236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f482b0bd7dd7514048e242178951851dc0d717c738bfab6eb7ff04ac350fea3

Aliases

arxiv: 1502.04365 · arxiv_version: 1502.04365v3 · doi: 10.48550/arxiv.1502.04365 · pith_short_12: H5ECWC6X3V2R · pith_short_16: H5ECWC6X3V2RIBEO · pith_short_8: H5ECWC6X

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/H5ECWC6X3V2RIBEOEQQXRFIYKH \
  | 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: 3f482b0bd7dd7514048e242178951851dc0d717c738bfab6eb7ff04ac350fea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1311da9294d0470300ae69b77eadd147f1b27260df809a7f94be55653b953c",
    "cross_cats_sorted": [
      "math.DS",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-02-15T21:28:05Z",
    "title_canon_sha256": "64c09efafc7afd3e76a21c6b283edf8387e9353106cc65f39526fbeaeb775598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04365",
    "kind": "arxiv",
    "version": 3
  }
}