Pith Number

pith:HDWLUEUS

pith:2019:HDWLUEUSONRTZ4JENTQAZ276VV

not attested not anchored not stored refs pending

Towards super-approximation in positive characteristic

Alireza Salehi Golsefidy, Brian Longo

arxiv:1908.07014 v2 · 2019-08-19 · 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{HDWLUEUSONRTZ4JENTQAZ276VV}

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	2026-07-05T04:02:50.679417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ecba129273633cf1246ce00cebfead7e3567786db959b6cb7fe3acdbd7b611

Aliases

arxiv: 1908.07014 · arxiv_version: 1908.07014v2 · doi: 10.48550/arxiv.1908.07014 · pith_short_12: HDWLUEUSONRT · pith_short_16: HDWLUEUSONRTZ4JE · pith_short_8: HDWLUEUS

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/HDWLUEUSONRTZ4JENTQAZ276VV \
  | 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: 38ecba129273633cf1246ce00cebfead7e3567786db959b6cb7fe3acdbd7b611

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026976a9153fbf19278e5d8e935cbb7e30a007bc8a3c2a46fd9462ff5e8f2c2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-08-19T18:30:58Z",
    "title_canon_sha256": "9ce1aa19617d8d489314645038863e76f1fdc1a80e5598a243dc8431ea46c100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07014",
    "kind": "arxiv",
    "version": 2
  }
}