Pith Number

pith:PDBZLND2

pith:2017:PDBZLND2STZWIIOPBDNVZRJCOJ

not attested not anchored not stored refs pending

Coherent double coverings of virtual link diagrams

Naoko Kamada

arxiv:1712.09348 v1 · 2017-12-25 · 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{PDBZLND2STZWIIOPBDNVZRJCOJ}

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	2026-05-18T00:27:08.688640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c395b47a94f36421cf08db5cc522726359b786d1d2e061ca28b51ad07bed34

Aliases

arxiv: 1712.09348 · arxiv_version: 1712.09348v1 · doi: 10.48550/arxiv.1712.09348 · pith_short_12: PDBZLND2STZW · pith_short_16: PDBZLND2STZWIIOP · pith_short_8: PDBZLND2

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/PDBZLND2STZWIIOPBDNVZRJCOJ \
  | 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: 78c395b47a94f36421cf08db5cc522726359b786d1d2e061ca28b51ad07bed34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d031172dfb85b5060a4aa4517462d22965d1925a6fa11115d3463719c5a8219d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-12-25T04:20:37Z",
    "title_canon_sha256": "fe8545a26509f6e064a555b41f5841707ba8eeb4fc5df2ea3066e8db8bac4b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09348",
    "kind": "arxiv",
    "version": 1
  }
}