Pith Number

pith:2FME2E3H

pith:2015:2FME2E3HDW3D2JF52ZWDEOAOUK

not attested not anchored not stored refs pending

Finding involutions with small support

Alice C. Niemeyer, Tomasz Popiel

arxiv:1509.04998 v1 · 2015-09-16 · 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{2FME2E3HDW3D2JF52ZWDEOAOUK}

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	2026-05-17T23:53:13.609530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1584d13671db63d24bdd66c32380ea2b93c5c678fffd2af430375a770455f14

Aliases

arxiv: 1509.04998 · arxiv_version: 1509.04998v1 · doi: 10.48550/arxiv.1509.04998 · pith_short_12: 2FME2E3HDW3D · pith_short_16: 2FME2E3HDW3D2JF5 · pith_short_8: 2FME2E3H

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/2FME2E3HDW3D2JF52ZWDEOAOUK \
  | 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: d1584d13671db63d24bdd66c32380ea2b93c5c678fffd2af430375a770455f14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ee3f8f859913e651fe516d05389b5a3bbb6d99df53e31519aa3bea669104b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-09-16T19:04:40Z",
    "title_canon_sha256": "2a926a6a533c910dbd994b79fdfd8cacd7bbc48ddd03b2831040531b576d6c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04998",
    "kind": "arxiv",
    "version": 1
  }
}