Pith Number

pith:H5SKE3LF

pith:2016:H5SKE3LFBRKHRPD5AA4GTDKAXI

not attested not anchored not stored refs pending

Lattice spanners of low degree

Adrian Dumitrescu, Anirban Ghosh

arxiv:1602.04381 v2 · 2016-02-13 · math.MG · cs.CG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5SKE3LFBRKHRPD5AA4GTDKAXI}

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	2026-05-18T01:16:29.212183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f64a26d650c5478bc7d0038698d40ba126d5763c5ab6f07b055ba380e9da36f

Aliases

arxiv: 1602.04381 · arxiv_version: 1602.04381v2 · doi: 10.48550/arxiv.1602.04381 · pith_short_12: H5SKE3LFBRKH · pith_short_16: H5SKE3LFBRKHRPD5 · pith_short_8: H5SKE3LF

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/H5SKE3LFBRKHRPD5AA4GTDKAXI \
  | 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: 3f64a26d650c5478bc7d0038698d40ba126d5763c5ab6f07b055ba380e9da36f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98a1797c030ae45caa6b657e4e67d273cbbb23ed2a1fd43d1e63cb9d22c5faea",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-02-13T21:19:12Z",
    "title_canon_sha256": "4581eb830ddc0d2b5cd030ed6775812ac805b80bb6efd0fd3deb508cd04519cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04381",
    "kind": "arxiv",
    "version": 2
  }
}