Pith Number

pith:V6OLHM7Y

pith:2014:V6OLHM7YOTOZ457JMRWEDWELNP

not attested not anchored not stored refs pending

Detecting unknots via equational reasoning, I: Exploration

Alexei Lisitsa, Andrew Fish

arxiv:1405.4211 v1 · 2014-05-16 · cs.LO · cs.DM · 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{V6OLHM7YOTOZ457JMRWEDWELNP}

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	2026-05-18T02:51:42.903052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af9cb3b3f874dd9e77e9646c41d88b6bc799eef090e5a47d2cae81b0dc5e1bea

Aliases

arxiv: 1405.4211 · arxiv_version: 1405.4211v1 · doi: 10.48550/arxiv.1405.4211 · pith_short_12: V6OLHM7YOTOZ · pith_short_16: V6OLHM7YOTOZ457J · pith_short_8: V6OLHM7Y

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/V6OLHM7YOTOZ457JMRWEDWELNP \
  | 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: af9cb3b3f874dd9e77e9646c41d88b6bc799eef090e5a47d2cae81b0dc5e1bea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f846de8847006bb4b33694878142196ff5fa1e2cd8c55b0ed7cea61368c70c94",
    "cross_cats_sorted": [
      "cs.DM",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-05-16T15:34:46Z",
    "title_canon_sha256": "ba52248b2052338654a65c55758a660bfa8be23b6faa21e1a12966b84acda457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4211",
    "kind": "arxiv",
    "version": 1
  }
}