Pith Number

pith:KZLDROGW

pith:2018:KZLDROGWRHW4SR6SZJFPS6HGEM

not attested not anchored not stored refs pending

Low complexity algorithms in knot theory

Alina Vdovina, Olga Kharlampovich

arxiv:1803.04908 v2 · 2018-03-13 · math.GT · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZLDROGWRHW4SR6SZJFPS6HGEM}

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	2026-05-18T00:19:56.284562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565638b8d689edc947d2ca4af978e62311ae164f3a12eee1147d138c3151110e

Aliases

arxiv: 1803.04908 · arxiv_version: 1803.04908v2 · doi: 10.48550/arxiv.1803.04908 · pith_short_12: KZLDROGWRHW4 · pith_short_16: KZLDROGWRHW4SR6S · pith_short_8: KZLDROGW

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/KZLDROGWRHW4SR6SZJFPS6HGEM \
  | 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: 565638b8d689edc947d2ca4af978e62311ae164f3a12eee1147d138c3151110e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac614592f7a7851517ce0308d2f49197d81785ad45bfe3d57f9a2a51da4efe38",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-03-13T16:07:28Z",
    "title_canon_sha256": "317b6bc5f7efda64aa56d24f35cca7a28ff44e290cb1a135c05248db20e7738f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04908",
    "kind": "arxiv",
    "version": 2
  }
}