pith. sign in
Pith Number

pith:XCRPECD2

pith:2015:XCRPECD2JMVBFLUUZRYYC45I2K
not attested not anchored not stored refs pending

Deciding Univariate Polynomial Problems Using Untrusted Certificates in Isabelle/HOL

Grant Olney Passmore, Lawrence C. Paulson, Wenda Li

arxiv:1506.08238 v2 · 2015-06-26 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XCRPECD2JMVBFLUUZRYYC45I2K}

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 2026-05-18T00:18:47.110094Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b8a2f2087a4b2a12ae94cc718173a8d2bd99e2c4188835ab0aaa0c06e267c0c3

Aliases

arxiv: 1506.08238 · arxiv_version: 1506.08238v2 · doi: 10.48550/arxiv.1506.08238 · pith_short_12: XCRPECD2JMVB · pith_short_16: XCRPECD2JMVBFLUU · pith_short_8: XCRPECD2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XCRPECD2JMVBFLUUZRYYC45I2K \
  | 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: b8a2f2087a4b2a12ae94cc718173a8d2bd99e2c4188835ab0aaa0c06e267c0c3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6f0572c218b801d8ef6ebe2a66d83637dfcea87d99f952e68276b8c663e9f1b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-06-26T23:57:46Z",
    "title_canon_sha256": "1bfdec9f7313680739b9672c0511da475dcee3302deedce86f6761e492c2d5ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08238",
    "kind": "arxiv",
    "version": 2
  }
}