Pith Number

pith:KHUFO33F

pith:2014:KHUFO33FQE57A2LG4GRI7NWCJW

not attested not anchored not stored refs pending

Comparing invariants of Legendrian knots

Marco Golla

arxiv:1404.1203 v1 · 2014-04-04 · 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{KHUFO33FQE57A2LG4GRI7NWCJW}

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	2026-05-18T02:54:53.957012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e8576f65813bf06966e1a28fb6c24da2a174729b467868b18cdb66b409f618

Aliases

arxiv: 1404.1203 · arxiv_version: 1404.1203v1 · doi: 10.48550/arxiv.1404.1203 · pith_short_12: KHUFO33FQE57 · pith_short_16: KHUFO33FQE57A2LG · pith_short_8: KHUFO33F

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/KHUFO33FQE57A2LG4GRI7NWCJW \
  | 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: 51e8576f65813bf06966e1a28fb6c24da2a174729b467868b18cdb66b409f618

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b8cbfc1f052818ff17682f80de035b659279367455e31d03047c3383b0c6fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-04-04T09:57:58Z",
    "title_canon_sha256": "bb5d10604d909717e54f8ded1c4b4beb5ea49e1fcfbf29e9b858589945389d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1203",
    "kind": "arxiv",
    "version": 1
  }
}