pith. sign in
Pith Number

pith:BDWC7323

pith:2015:BDWC7323YCBT3ELEW5HX73R3KZ
not attested not anchored not stored refs pending

Finding a field in a Zariski-like structure

Kaisa Kangas

arxiv:1502.03225 v3 · 2015-02-11 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BDWC7323YCBT3ELEW5HX73R3KZ}

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 2026-05-18T00:48:05.959736Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

08ec2fef5bc0833d9164b74f7fee3b566e8034d9d556cb76bc706ef092a94ade

Aliases

arxiv: 1502.03225 · arxiv_version: 1502.03225v3 · doi: 10.48550/arxiv.1502.03225 · pith_short_12: BDWC7323YCBT · pith_short_16: BDWC7323YCBT3ELE · pith_short_8: BDWC7323
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BDWC7323YCBT3ELEW5HX73R3KZ \
  | 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: 08ec2fef5bc0833d9164b74f7fee3b566e8034d9d556cb76bc706ef092a94ade
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f2ef71274c2d8f65da274d7fc1dcbcfff2887dd488a37d6fef5dae0a414b531e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-02-11T09:15:55Z",
    "title_canon_sha256": "998483710259ee3ecf7e3ccc59b673bf5be1c139b87be29bed82f838cd0e3787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03225",
    "kind": "arxiv",
    "version": 3
  }
}