Pith Number

pith:EV5M6KXB

pith:2019:EV5M6KXB3Z6JX6FOGRWIHWFBHZ

not attested not anchored not stored refs pending

Detecting properties from descriptions of groups

Iva Bilanovic, Jennifer Chubb, Sam Roven

arxiv:1903.05143 v1 · 2019-03-12 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EV5M6KXB3Z6JX6FOGRWIHWFBHZ}

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	2026-05-17T23:51:25.334631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257acf2ae1de7c9bf8ae346c83d8a13e72bcf5c45538d3be1fd6085ee9c9370b

Aliases

arxiv: 1903.05143 · arxiv_version: 1903.05143v1 · doi: 10.48550/arxiv.1903.05143 · pith_short_12: EV5M6KXB3Z6J · pith_short_16: EV5M6KXB3Z6JX6FO · pith_short_8: EV5M6KXB

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/EV5M6KXB3Z6JX6FOGRWIHWFBHZ \
  | 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: 257acf2ae1de7c9bf8ae346c83d8a13e72bcf5c45538d3be1fd6085ee9c9370b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9610e3a4e612c28333ad2f46fe7db05d06c5e7e90c15504daf41c3fe6de475b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-03-12T18:49:28Z",
    "title_canon_sha256": "0608deb6021713cf4eaff7396b2781b2e078be13e2e3771c32d4fe6336364145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05143",
    "kind": "arxiv",
    "version": 1
  }
}