pith. sign in
Pith Number

pith:EVF475MB

pith:2015:EVF475MBD7TYREMZ4ZUMPA5BV6
not attested not anchored not stored refs pending

Delta Diagrams

Louis H. Kauffman, Pedro Lopes, Slavik Jablan

arxiv:1512.06417 v3 · 2015-12-20 · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EVF475MBD7TYREMZ4ZUMPA5BV6}

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 2026-05-18T01:22:05.585407Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

254bcff5811fe7889199e668c783a1afbd6e6e2dc9e89f9c372e7612644c588b

Aliases

arxiv: 1512.06417 · arxiv_version: 1512.06417v3 · doi: 10.48550/arxiv.1512.06417 · pith_short_12: EVF475MBD7TY · pith_short_16: EVF475MBD7TYREMZ · pith_short_8: EVF475MB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EVF475MBD7TYREMZ4ZUMPA5BV6 \
  | 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: 254bcff5811fe7889199e668c783a1afbd6e6e2dc9e89f9c372e7612644c588b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c8dc80c924a3e7b8c81aa06b41ffe6cfefde19d7f59d25037259649715bda4df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-12-20T18:10:24Z",
    "title_canon_sha256": "f0fccc9a573c7e4864ce6c66feac1d29be2a9c2e7ce0c01d6aa97c6f68b6fabc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06417",
    "kind": "arxiv",
    "version": 3
  }
}