Pith Number

pith:HMWKDQF7

pith:2019:HMWKDQF76DBASVS6FQDZOMFYXL

not attested not anchored not stored refs pending

Quasipositive braids and connected sums

S. Yu. Orevkov

arxiv:1906.03454 v3 · 2019-06-08 · 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{HMWKDQF76DBASVS6FQDZOMFYXL}

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	2026-07-05T09:42:16.240862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2ca1c0bff0c209565e2c079730b8bad69a82c40accd497d0077e93b9a1de65

Aliases

arxiv: 1906.03454 · arxiv_version: 1906.03454v3 · doi: 10.48550/arxiv.1906.03454 · pith_short_12: HMWKDQF76DBA · pith_short_16: HMWKDQF76DBASVS6 · pith_short_8: HMWKDQF7

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/HMWKDQF76DBASVS6FQDZOMFYXL \
  | 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: 3b2ca1c0bff0c209565e2c079730b8bad69a82c40accd497d0077e93b9a1de65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c9fbf1cf1419b911e64567c2cbb9d8ed840c6857d8006024cfb9c0e01dbe548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-06-08T13:32:07Z",
    "title_canon_sha256": "b334674196b08536a5481ad7d1ef98a393cdc6a69b37783c6fb9f8cb66f4292e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03454",
    "kind": "arxiv",
    "version": 3
  }
}