Pith Number

pith:DPSKBCIP

pith:2013:DPSKBCIPIYBW4PI5OK2QW2QWAK

not attested not anchored not stored refs pending

A Linear-size Conversion of HCP to 3HCP

Michael Haythorpe, Serguei Rossomakhine, Vladimir Ejov

arxiv:1305.4729 v1 · 2013-05-21 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPSKBCIPIYBW4PI5OK2QW2QWAK}

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	2026-05-18T03:25:15.367621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be4a0890f46036e3d1d72b50b6a160296396db8e5e64004d77106fc58751a77

Aliases

arxiv: 1305.4729 · arxiv_version: 1305.4729v1 · doi: 10.48550/arxiv.1305.4729 · pith_short_12: DPSKBCIPIYBW · pith_short_16: DPSKBCIPIYBW4PI5 · pith_short_8: DPSKBCIP

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/DPSKBCIPIYBW4PI5OK2QW2QWAK \
  | 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: 1be4a0890f46036e3d1d72b50b6a160296396db8e5e64004d77106fc58751a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70386ce454970b6620a95d4c9a2aeb4f055dd42c387ed19b305d5396125c7b05",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-21T06:38:43Z",
    "title_canon_sha256": "65f228d227c2eaf95b81407a8f4da15035694ed5c476d4bae5775ffb8348e80c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4729",
    "kind": "arxiv",
    "version": 1
  }
}