Pith Number

pith:K2QBWY6E

pith:2019:K2QBWY6EQMP6KXOAVDM24625FI

not attested not anchored not stored refs pending

Navigating Around Convex Sets

J. J. P. Veerman

arxiv:1906.07281 v1 · 2019-06-17 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2QBWY6EQMP6KXOAVDM24625FI}

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	2026-05-17T23:43:08.297862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a01b63c4831fe55dc0a8d9ae7b5d2a33dcbb0634c54b22e1d5361c2002c371

Aliases

arxiv: 1906.07281 · arxiv_version: 1906.07281v1 · doi: 10.48550/arxiv.1906.07281 · pith_short_12: K2QBWY6EQMP6 · pith_short_16: K2QBWY6EQMP6KXOA · pith_short_8: K2QBWY6E

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/K2QBWY6EQMP6KXOAVDM24625FI \
  | 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: 56a01b63c4831fe55dc0a8d9ae7b5d2a33dcbb0634c54b22e1d5361c2002c371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50751683c9501adf3d36c721a32ebc6a8f60cddf27c91f7a73c61b58536ab602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-06-17T21:32:11Z",
    "title_canon_sha256": "68d1aadad393b5b92050bbd2ec6994a22f29e9d5542d2852f4d8d84bfd009c73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07281",
    "kind": "arxiv",
    "version": 1
  }
}