pith. sign in
Pith Number

pith:XJ66RRG4

pith:2014:XJ66RRG45BAZPODPI2G5L7CAXI
not attested not anchored not stored refs pending

Diagonally non-computable functions and fireworks

Laurent Bienvenu, Ludovic Patey

arxiv:1411.6846 v2 · 2014-11-25 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XJ66RRG45BAZPODPI2G5L7CAXI}

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 2026-05-18T01:02:05.293243Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ba7de8c4dce84197b86f468dd5fc40ba0356d6788f28256775a1c3e9c2aeb0f0

Aliases

arxiv: 1411.6846 · arxiv_version: 1411.6846v2 · doi: 10.48550/arxiv.1411.6846 · pith_short_12: XJ66RRG45BAZ · pith_short_16: XJ66RRG45BAZPODP · pith_short_8: XJ66RRG4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XJ66RRG45BAZPODPI2G5L7CAXI \
  | 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: ba7de8c4dce84197b86f468dd5fc40ba0356d6788f28256775a1c3e9c2aeb0f0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3c47702a20c1827858e555adde58c3c68a89815bcd1c0bae56c3903e21f1ec10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-11-25T12:59:56Z",
    "title_canon_sha256": "d180bd105dbbd544c7c8ce52d93a3b6db0fe11ff588e7880fc7cf161eff7da77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6846",
    "kind": "arxiv",
    "version": 2
  }
}