Pith Number

pith:56LCD4MQ

pith:2018:56LCD4MQG5MKMIK3PAPF3APQJC

not attested not anchored not stored refs pending

Similar Elements and Metric Labeling on Complete Graphs

Pedro F. Felzenszwalb

arxiv:1803.08037 v2 · 2018-03-21 · cs.DS · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56LCD4MQG5MKMIK3PAPF3APQJC}

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	2026-05-18T00:20:13.285743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9621f1903758a6215b781e5d81f0489bace9436271d65a5793ed4d2bf34743

Aliases

arxiv: 1803.08037 · arxiv_version: 1803.08037v2 · doi: 10.48550/arxiv.1803.08037 · pith_short_12: 56LCD4MQG5MK · pith_short_16: 56LCD4MQG5MKMIK3 · pith_short_8: 56LCD4MQ

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/56LCD4MQG5MKMIK3PAPF3APQJC \
  | 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: ef9621f1903758a6215b781e5d81f0489bace9436271d65a5793ed4d2bf34743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9957d67f10c2393f53def720d84bd82bf3ee86c23e4de7f880330d8c4e4ed96",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-21T17:55:02Z",
    "title_canon_sha256": "7c42925c126f359117e18a62481a0a3d4d3869f34f87d62cd862800c1fc9c793"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08037",
    "kind": "arxiv",
    "version": 2
  }
}