Pith Number

pith:JZKINWLB

pith:2008:JZKINWLBUFW2EZHYF4MODZK4WL

not attested not anchored not stored refs pending

Symmetric links and Conway sums: volume and Jones polynomial

David Futer, Efstratia Kalfagianni, Jessica S. Purcell

arxiv:0804.1542 v3 · 2008-04-09 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZKINWLBUFW2EZHYF4MODZK4WL}

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	2026-05-18T02:51:42.745457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e5486d961a16da264f82f18e1e55cb2ff342ec85fd3b8101b5d86c5d97f4286

Aliases

arxiv: 0804.1542 · arxiv_version: 0804.1542v3 · doi: 10.48550/arxiv.0804.1542 · pith_short_12: JZKINWLBUFW2 · pith_short_16: JZKINWLBUFW2EZHY · pith_short_8: JZKINWLB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JZKINWLBUFW2EZHYF4MODZK4WL \
  | 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: 4e5486d961a16da264f82f18e1e55cb2ff342ec85fd3b8101b5d86c5d97f4286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa75c036117c2bd072b0635e8575aeee393a54db3869c1745b889f0d5988f4c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-04-09T19:43:21Z",
    "title_canon_sha256": "3caae80a32c6d612d4bcb82c8726a61655057099bc2e87f9a79f231b31af4191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1542",
    "kind": "arxiv",
    "version": 3
  }
}