Pith Number

pith:I75YD7MK

pith:2018:I75YD7MKJHRTC5PN2ZPSLX5EAC

not attested not anchored not stored refs pending

Swapping Colored Tokens on Graphs

David Kirkpatrick, J. Mark Keil, Katsuhisa Yamanaka, Ryuhei Uehara, Takashi Horiyama, Toshiki Saitoh, Yota Otachi, Yushi Uno

arxiv:1803.06816 v1 · 2018-03-19 · 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{I75YD7MKJHRTC5PN2ZPSLX5EAC}

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	2026-05-18T00:20:41.280463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47fb81fd8a49e33175edd65f25dfa4008ed0fe6c2b495b13f661a01772981dfa

Aliases

arxiv: 1803.06816 · arxiv_version: 1803.06816v1 · doi: 10.48550/arxiv.1803.06816 · pith_short_12: I75YD7MKJHRT · pith_short_16: I75YD7MKJHRTC5PN · pith_short_8: I75YD7MK

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/I75YD7MKJHRTC5PN2ZPSLX5EAC \
  | 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: 47fb81fd8a49e33175edd65f25dfa4008ed0fe6c2b495b13f661a01772981dfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f83a769f3c79cba4a71a30b94278d1a1e45ab8af226265d6d8690e2b5295706",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-19T06:53:35Z",
    "title_canon_sha256": "d7b83e3c12ca95f520caed1af1c187cd33313f0f9d00a4f295cd357708c50539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06816",
    "kind": "arxiv",
    "version": 1
  }
}