Pith Number

pith:G52HKY2Y

pith:2017:G52HKY2Y4STOLNC673BRXDGZ3H

not attested not anchored not stored refs pending

Distributed Colour Reduction Revisited

Christopher Purcell, Janne H. Korhonen, Jukka Kohonen, Jukka Suomela, Przemys{\l}aw Uzna\'nski

arxiv:1709.00901 v1 · 2017-09-04 · cs.DC · 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{G52HKY2Y4STOLNC673BRXDGZ3H}

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	2026-05-18T00:36:04.782939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3774756358e4a6e5b45efec31b8cd9d9c369bb7ec94df8127818ef8e0afdf7dd

Aliases

arxiv: 1709.00901 · arxiv_version: 1709.00901v1 · doi: 10.48550/arxiv.1709.00901 · pith_short_12: G52HKY2Y4STO · pith_short_16: G52HKY2Y4STOLNC6 · pith_short_8: G52HKY2Y

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/G52HKY2Y4STOLNC673BRXDGZ3H \
  | 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: 3774756358e4a6e5b45efec31b8cd9d9c369bb7ec94df8127818ef8e0afdf7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aacf3faa1bcaa902c1e6afa4d4fea213e2a511cbb9ea691bbccefbb03861b0a7",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-09-04T11:17:46Z",
    "title_canon_sha256": "279d4dbc46d02f355001e5c855a5a7005e9fc60eb6663951354d3b0e689c1873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00901",
    "kind": "arxiv",
    "version": 1
  }
}