Pith Number

pith:H7SQQSSG

pith:2019:H7SQQSSGLOXCDTW3DQYBQIMWR3

not attested not anchored not stored refs pending

On semilinear sets and asymptotically approximate groups

Arindam Biswas, Wolfgang Alexander Moens

arxiv:1902.05757 v1 · 2019-02-15 · math.NT · math.CO · 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{H7SQQSSGLOXCDTW3DQYBQIMWR3}

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	2026-05-17T23:53:56.242772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe5084a465bae21cedb1c301821968ec6f4026be3e4ae6b16f7b093fe17458b

Aliases

arxiv: 1902.05757 · arxiv_version: 1902.05757v1 · doi: 10.48550/arxiv.1902.05757 · pith_short_12: H7SQQSSGLOXC · pith_short_16: H7SQQSSGLOXCDTW3 · pith_short_8: H7SQQSSG

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/H7SQQSSGLOXCDTW3DQYBQIMWR3 \
  | 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: 3fe5084a465bae21cedb1c301821968ec6f4026be3e4ae6b16f7b093fe17458b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a2905227bb4ccebccbe9be833be5ab4eb7a5d4ecfe631412016e61eff0e2df",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-02-15T10:36:33Z",
    "title_canon_sha256": "62a07ff01fb22a48b9aa3f58d5ffaa79d10b0406ff29a2c720ab399511c9856f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05757",
    "kind": "arxiv",
    "version": 1
  }
}