Pith Number

pith:VCSDQ4FP

pith:2007:VCSDQ4FP6JKXBTNAX4N2ERQ36Q

not attested not anchored not stored refs pending

Constant Weight Codes: A Geometric Approach Based on Dissections

Chao Tian, N. J. A. Sloane, Vinay A. Vaishampayan

arxiv:0706.1217 v1 · 2007-06-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCSDQ4FP6JKXBTNAX4N2ERQ36Q}

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	2026-05-18T02:42:46.909936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a43870aff25570cda0bf1ba2461bf430dbb5769d5c1fdbd393196ab4b02e5e

Aliases

arxiv: 0706.1217 · arxiv_version: 0706.1217v1 · doi: 10.48550/arxiv.0706.1217 · pith_short_12: VCSDQ4FP6JKX · pith_short_16: VCSDQ4FP6JKXBTNA · pith_short_8: VCSDQ4FP

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/VCSDQ4FP6JKXBTNAX4N2ERQ36Q \
  | 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: a8a43870aff25570cda0bf1ba2461bf430dbb5769d5c1fdbd393196ab4b02e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13387a95821a58200c74ee107a12f75fa56b61d7a97e1887feead7ac470a84a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2007-06-08T17:41:24Z",
    "title_canon_sha256": "5af3dd8a4d47bd81bb5bab57b1327cd820a501b071f65144f59c40b7cfce6a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.1217",
    "kind": "arxiv",
    "version": 1
  }
}