Pith Number

pith:6YKAQ7P2

pith:2018:6YKAQ7P2AMQTODSHCMPIISVDAQ

not attested not anchored not stored refs pending

Real class sizes

Hung P. Tong-Viet

arxiv:1803.01717 v1 · 2018-03-01 · 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{6YKAQ7P2AMQTODSHCMPIISVDAQ}

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	2026-05-18T00:21:59.749708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f614087dfa0321370e47131e844aa3041b425dd19bb218614ef4f97114b12888

Aliases

arxiv: 1803.01717 · arxiv_version: 1803.01717v1 · doi: 10.48550/arxiv.1803.01717 · pith_short_12: 6YKAQ7P2AMQT · pith_short_16: 6YKAQ7P2AMQTODSH · pith_short_8: 6YKAQ7P2

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/6YKAQ7P2AMQTODSHCMPIISVDAQ \
  | 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: f614087dfa0321370e47131e844aa3041b425dd19bb218614ef4f97114b12888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f87ea9a30388bd567d014aa9093204e48264858a533e3a424d339cceea39201",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-03-01T23:49:30Z",
    "title_canon_sha256": "337e03110f1c8f63e677095c1d25407767fca0ef43b90c7968939f87449520c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01717",
    "kind": "arxiv",
    "version": 1
  }
}