Pith Number

pith:3B3NGN5F

pith:2019:3B3NGN5F4EFSZEHV7HW3VGITTZ

not attested not anchored not stored refs pending

Extensions of Self-Improving Sorters

Kai Jin, Lie Yan, Siu-Wing Cheng

arxiv:1906.08448 v1 · 2019-06-20 · cs.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{3B3NGN5F4EFSZEHV7HW3VGITTZ}

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	2026-05-17T23:42:52.447156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d876d337a5e10b2c90f5f9edba99139e47571cb486337bd11571b5f9ea86efbf

Aliases

arxiv: 1906.08448 · arxiv_version: 1906.08448v1 · doi: 10.48550/arxiv.1906.08448 · pith_short_12: 3B3NGN5F4EFS · pith_short_16: 3B3NGN5F4EFSZEHV · pith_short_8: 3B3NGN5F

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/3B3NGN5F4EFSZEHV7HW3VGITTZ \
  | 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: d876d337a5e10b2c90f5f9edba99139e47571cb486337bd11571b5f9ea86efbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff382e25ab2d97eba437335fef83d1223370c36268196f6ef6da8dcf96ef891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-20T05:27:37Z",
    "title_canon_sha256": "eed5bf2e16fd34166688a3c233ea9940063d60655eb36d82c6205e90d9bb65c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08448",
    "kind": "arxiv",
    "version": 1
  }
}