Pith Number

pith:GCZ3HK6O

pith:2014:GCZ3HK6OXYY7BFYGFNWRO3HRNZ

not attested not anchored not stored refs pending

Metric and non-metric proximity transformations at linear costs

Andrej Gisbrecht, Frank-Michael Schleif

arxiv:1411.1646 v1 · 2014-11-06 · 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{GCZ3HK6OXYY7BFYGFNWRO3HRNZ}

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	2026-05-18T02:38:27.289969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30b3b3abcebe31f097062b6d176cf16e4238871cfaf46ff512aedffef79646ba

Aliases

arxiv: 1411.1646 · arxiv_version: 1411.1646v1 · doi: 10.48550/arxiv.1411.1646 · pith_short_12: GCZ3HK6OXYY7 · pith_short_16: GCZ3HK6OXYY7BFYG · pith_short_8: GCZ3HK6O

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/GCZ3HK6OXYY7BFYGFNWRO3HRNZ \
  | 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: 30b3b3abcebe31f097062b6d176cf16e4238871cfaf46ff512aedffef79646ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62b3be52249c35b79eba37af8735f699afeaca7e281036325961cf44ffc21f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-11-06T16:03:26Z",
    "title_canon_sha256": "87ade03486a435a3e64d3b2a3d525f98d6238e899f6c3750c32bbfbd5ba603d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1646",
    "kind": "arxiv",
    "version": 1
  }
}