pith. sign in
Pith Number

pith:J5CDB4GU

pith:2014:J5CDB4GUMC2TR5OISCMWNE3RPW
not attested not anchored not stored refs pending

Almost purity and overconvergent Witt vectors

Christopher Davis, Kiran S. Kedlaya

arxiv:1403.2942 v2 · 2014-03-12 · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J5CDB4GUMC2TR5OISCMWNE3RPW}

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 2026-05-18T02:41:53.230815Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f4430f0d460b538f5c890996693717d82c52a6d9c20eaed6550c19187a86f32

Aliases

arxiv: 1403.2942 · arxiv_version: 1403.2942v2 · doi: 10.48550/arxiv.1403.2942 · pith_short_12: J5CDB4GUMC2T · pith_short_16: J5CDB4GUMC2TR5OI · pith_short_8: J5CDB4GU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J5CDB4GUMC2TR5OISCMWNE3RPW \
  | 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: 4f4430f0d460b538f5c890996693717d82c52a6d9c20eaed6550c19187a86f32
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3beed656c19d65b1f6122002f4079bc81858b7a5b0fd4f36fa30896bce3457c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-03-12T14:25:09Z",
    "title_canon_sha256": "34100aaaec72a4e38fa7680bc982f7408a5b65b2fe73260e8fe2bc32627503bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2942",
    "kind": "arxiv",
    "version": 2
  }
}