Pith Number

pith:2PQGYZ5E

pith:2014:2PQGYZ5E46FT5SBYYDNLRCQUDD

not attested not anchored not stored refs pending

Crossing Change Alternating Knots

Slavik Jablan

arxiv:1404.4974 v1 · 2014-04-19 · 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{2PQGYZ5E46FT5SBYYDNLRCQUDD}

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	2026-05-18T02:53:52.381569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e06c67a4e78b3ec838c0dab88a1418c25eb29a8792caaf48ed39731af4850c

Aliases

arxiv: 1404.4974 · arxiv_version: 1404.4974v1 · doi: 10.48550/arxiv.1404.4974 · pith_short_12: 2PQGYZ5E46FT · pith_short_16: 2PQGYZ5E46FT5SBY · pith_short_8: 2PQGYZ5E

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/2PQGYZ5E46FT5SBYYDNLRCQUDD \
  | 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: d3e06c67a4e78b3ec838c0dab88a1418c25eb29a8792caaf48ed39731af4850c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906763d53b18c9b98078203dd99c569d184d72be38d8a7721d407e9031436c23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-04-19T17:22:07Z",
    "title_canon_sha256": "f1a74e85ac71f982794976dc61e3a9353fa5aa502fbe150fc0878f5fddae2218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4974",
    "kind": "arxiv",
    "version": 1
  }
}