Pith Number

pith:JXY23NWK

pith:2019:JXY23NWKN7QY7X434SUVGIOYTS

not attested not anchored not stored refs pending

Limits, standard complexes and fr-codes

Fedor Pavutnitskiy, Roman Mikhailov, Sergei O. Ivanov

arxiv:1906.08793 v1 · 2019-06-20 · 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{JXY23NWKN7QY7X434SUVGIOYTS}

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	2026-07-05T02:11:38.501421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df1adb6ca6fe18fdf9be4a95321d89c808e23784c2604603a92c52765381584

Aliases

arxiv: 1906.08793 · arxiv_version: 1906.08793v1 · doi: 10.48550/arxiv.1906.08793 · pith_short_12: JXY23NWKN7QY · pith_short_16: JXY23NWKN7QY7X43 · pith_short_8: JXY23NWK

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/JXY23NWKN7QY7X434SUVGIOYTS \
  | 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: 4df1adb6ca6fe18fdf9be4a95321d89c808e23784c2604603a92c52765381584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bdd5da56651891ddc482553eb60557f16174b89b769333acc20417aa9ebe658",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-06-20T18:08:58Z",
    "title_canon_sha256": "82d147dc8fcd92e6a6652c4791e3e22c8af0565f87362e338a09f9e9e60876e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08793",
    "kind": "arxiv",
    "version": 1
  }
}