pith. sign in
Pith Number

pith:B5FBB6F5

pith:2018:B5FBB6F5FHYLVRMR7MKYLGLRDR
not attested not anchored not stored refs pending

Somme des chiffres et changement de base

G\'erald Tenenbaum, R\'egis de la Bret\`eche, Thomas Stoll

arxiv:1806.09670 v3 · 2018-06-25 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{B5FBB6F5FHYLVRMR7MKYLGLRDR}

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 2026-05-17T23:58:08.574403Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0f4a10f8bd29f0bac591fb158599711c7be503365cf6bbf997da1a408046e5a7

Aliases

arxiv: 1806.09670 · arxiv_version: 1806.09670v3 · doi: 10.48550/arxiv.1806.09670 · pith_short_12: B5FBB6F5FHYL · pith_short_16: B5FBB6F5FHYLVRMR · pith_short_8: B5FBB6F5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/B5FBB6F5FHYLVRMR7MKYLGLRDR \
  | 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: 0f4a10f8bd29f0bac591fb158599711c7be503365cf6bbf997da1a408046e5a7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21a1f07fec81b7df8745381d9204089aebd04ecb11ec368a3b4ee9fd9570b146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-06-25T19:13:03Z",
    "title_canon_sha256": "225ac47e6fe1b025990e9b7d9d2aedaf08edb2fdaf035cc6122311a00b788612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09670",
    "kind": "arxiv",
    "version": 3
  }
}