pith. sign in
Pith Number

pith:BSWSBEQ3

pith:2017:BSWSBEQ3Z5SAQMH237W4INXODY
not attested not anchored not stored refs pending

Bounded pregeometries and pairs of fields

(2) University of Illinois at Urbana-Champaign, Bogota-Colombia, Illinois), Leonardo Angel (1), Lou van den Dries (2) ((1) Universidad de los Andes

arxiv:1707.03486 v1 · 2017-07-11 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BSWSBEQ3Z5SAQMH237W4INXODY}

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 2026-05-18T00:40:25.878417Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0cad20921bcf640830fadfedc436ee1e0a170d8b60a1c3b17cc24b11f4d8a9b8

Aliases

arxiv: 1707.03486 · arxiv_version: 1707.03486v1 · doi: 10.48550/arxiv.1707.03486 · pith_short_12: BSWSBEQ3Z5SA · pith_short_16: BSWSBEQ3Z5SAQMH2 · pith_short_8: BSWSBEQ3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BSWSBEQ3Z5SAQMH237W4INXODY \
  | 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: 0cad20921bcf640830fadfedc436ee1e0a170d8b60a1c3b17cc24b11f4d8a9b8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3c31096afb64a2e45d17c9c1c86560358f917ae027e34e354482088b66a784fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-07-11T22:55:54Z",
    "title_canon_sha256": "0d6826c13595ddd76847c833b9200a488aec44b769d0780606d2a032d64cea36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03486",
    "kind": "arxiv",
    "version": 1
  }
}